Endangered Species Search by Area Selection


Find out if there are any endangered species in your state, your country, island, etc. Browse endangered species listings according to area on our planet using the selection box below.

For a complete list of US endangered species, select United States below. Browse the different areas in the pulldown for other countries or specific US or Canadian states. For sea creatures and creatures found on islands in the oceans, we recommend browsing the oceania list.

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The following is a list of species of concern in US Territories:

This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered species of the world is not recommended. For more information on what creatures are listed on this site, please visit our About Us page.

  Species Name Scientific Name Group Range
1. 'Ahakea Bobea sandwicensis Plants Hawaii
2. 'Ahakea Bobea timonioides Plants Hawaii
3. 'Ekoko Chamaesyce celastroides var. kaenana Plants Hawaii
4. A Jack-bean Canavalia napaliensis Plants Hawaii
5. Acacia koaia Acacia koaia Plants Hawaii
6. Acanthomyops latipes Acanthomyops latipes Insects Michigan, Virgin Islands
7. Acanthomyops murphyi Acanthomyops murphyi Insects Maryland
8. Acropora Coral Acropora abrolhosensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
9. Acropora Coral Acropora aculeus Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
10. Acropora Coral Acropora acuminata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
11. Acropora Coral Acropora aspera Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
12. Acropora Coral Acropora austera Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
13. Acropora Coral Acropora awi Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
14. Acropora Coral Acropora carduus Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
15. Acropora Coral Acropora cervicornis Corals, Jellyfish, and Sea Anemones Central America, Gulf of Mexico, North America (United States Territory)
16. Acropora Coral Acropora dendrum Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
17. Acropora Coral Acropora digitifera Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
18. Acropora Coral Acropora divaricata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
19. Acropora Coral Acropora donei Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, Oceanic
20. Acropora Coral Acropora echinata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
21. Acropora Coral Acropora florida Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
22. Acropora Coral Acropora formosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
23. Acropora Coral Acropora glauca Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, Oceanic
24. Acropora Coral Acropora globiceps Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
25. Acropora Coral Acropora granulosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
26. Acropora Coral Acropora horrida Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
27. Acropora Coral Acropora humilis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
28. Acropora Coral Acropora hyacinthus Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
29. Acropora Coral Acropora jacquelineae Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Asia, Australia, Oceanic
30. Acropora Coral Acropora kimbeensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory)
31. Acropora Coral Acropora kirstyae Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
32. Acropora Coral Acropora listeri Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic, South America
33. Acropora Coral Acropora loisetteae Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory)
34. Acropora Coral Acropora lokani Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
35. Acropora Coral Acropora loripes Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
36. Acropora Coral Acropora lovelli Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
37. Acropora Coral Acropora lutkeni Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic, South America
38. Acropora Coral Acropora microclados Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
39. Acropora Coral Acropora millepora Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
40. Acropora Coral Acropora monticulosa Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, British Indian Ocean Territory, Europe, North America (United States Territory), Oceanic
41. Acropora Coral Acropora nana Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, North America (United States Territory), Oceanic
42. Acropora Coral Acropora nasuta Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
43. Acropora Coral Acropora palmata Corals, Jellyfish, and Sea Anemones Central America, Gulf of Mexico, North America (United States Territory)
44. Acropora Coral Acropora palmerae Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
45. Acropora Coral Acropora paniculata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
46. Acropora Coral Acropora pharaonis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Central America, Europe, Middle East, Oceanic
47. Acropora Coral Acropora polystoma Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
48. Acropora Coral Acropora retusa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
49. Acropora Coral Acropora rudis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Oceanic
50. Acropora Coral Acropora secale Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
51. Acropora Coral Acropora selago Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
52. Acropora Coral Acropora solitaryensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
53. Acropora Coral Acropora speciosa Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
54. Acropora Coral Acropora spicifera Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
55. Acropora Coral Acropora striata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
56. Acropora Coral Acropora tenuis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
57. Acropora Coral Acropora vaughani Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
58. Acropora Coral Acropora verweyi Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
59. Acuminate Snaketail Ophiogomphus acuminatus Insects Alabama, Tennessee
60. Acute Elimia Elimia acuta Snails Alabama, Tennessee
61. Adiantum vivesii Adiantum vivesii Plants Puerto Rico
62. Agassiz's Coral Cyphastrea agassizi Corals, Jellyfish, and Sea Anemones Asia, Australia, Central America, North America (United States Territory), Oceanic
63. Aglaia mariannensis Aglaia mariannensis Plants Guam, Northern Mariana Islands, Palau
64. Aglaodiaptomus kingsburyae Aglaodiaptomus kingsburyae Crustaceans United States
65. Aglaodiaptomus marshianus Aglaodiaptomus marshianus Crustaceans United States
66. Ahinahina Argyroxiphium sandwicense ssp. sandwicense Plants Hawaii
67. Aiea Nothocestrum breviflorum Plants Hawaii
68. Aiea Nothocestrum latifolium Plants Hawaii
69. Aiea Nothocestrum peltatum Plants Hawaii
70. Akekee Loxops caeruleirostris Birds Hawaii
71. Akepa Loxops coccineus Birds Hawaii
72. Akiapola'au Hemignathus munroi Birds Hawaii
73. Akikiki Oreomystis bairdi Birds Hawaii
74. Alabama Canebrake Pitcher-plant Sarracenia rubra alabamensis Plants Alabama
75. Alabama Cave Shrimp Palaemonias alabamae Crustaceans Alabama
76. Alabama Cavefish Speoplatyrhinus poulsoni Fishes Alabama
77. Inflated Heelsplitter Potamilus inflatus Clams Alabama, Louisiana
78. Alabama Lampmussel Lampsilis virescens Clams Tennessee
79. Alabama Leather Flower Clematis socialis Plants Alabama
80. Alabama Moccasinshell Medionidus acutissimus Clams Alabama, Georgia, Mississippi
81. Alabama Pearl Shell Margaritifera marrianae Clams Alabama
82. Alabama Red-belly Turtle Pseudemys alabamensis Reptiles Alabama
83. Alabama Shad Alosa alabamae Fishes United States
84. Alabama Sturgeon Scaphirhynchus suttkusi Fishes Alabama, Mississippi
85. Alabama Waterdog Necturus alabamensis Amphibians Alabama
86. Alabama Well Amphipod Stygobromus smithii Crustaceans Alabama
87. Alamosa Springsnail Tryonia alamosae Snails New Mexico
88. Aleutian Shield Fern Polystichum aleuticum Plants Alaska
89. Allegheny Woodrat Neotoma magister Mammals Alabama, Connecticut, Georgia, Indiana, Kentucky, Maryland, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
90. Alligator Snapping Turtle Macrochelys temminckii Reptiles United States
91. Allyn Smith's Banded Snail Helminthoglypta allynsmithi Snails California
92. Alpine False Ohelo Wikstroemia bicornuta Plants Hawaii
93. Altamaha Arcmussel Alasmidonta arcula Clams Georgia
94. Altamaha Pocketbook Lampsilis dolabraeformis Clams Georgia
95. Altamaha Spinymussel Elliptio spinosa Clams Georgia
96. Alveopora allingi Alveopora allingi Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
97. Alveopora catalai Alveopora catalai Corals, Jellyfish, and Sea Anemones Asia, Australia, Europe, North America (United States Territory), Oceanic
98. Alveopora fenestrata Alveopora fenestrata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
99. Alveopora marionensis Alveopora marionensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
100. Alveopora spongiosa Alveopora spongiosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
101. Alveopora verrilliana Alveopora verrilliana Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
102. Alvord Chub Gila alvordensis Fishes Nevada, Oregon
103. Amargosa Niterwort Nitrophila mohavensis Plants California, Nevada
104. Amargosa Toad Anaxyrus nelsoni Amphibians Nevada
105. Amargosa Vole Microtus californicus scirpensis Mammals California
106. Amastrid Land Snail Amastra cylindrica Snails Hawaii
107. Amastrid Land Snail Amastra micans Snails Hawaii
108. Amastrid Land Snail Amastra rubens Snails Hawaii
109. Amastrid Land Snail Amastra spirizona Snails Hawaii
110. Amber Darter Percina antesella Fishes Alabama, Georgia, Tennessee
111. American Burying Beetle Nicrophorus americanus Insects Eastern Canada, USA Eastern States south to Florida, west to South Dakota and Texas
112. American Chaffseed Schwalbea americana Plants Alabama, Connecticut, Delaware, Florida, Georgia, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, North Carolina, South Carolina, Tennessee, Virginia
113. American Crocodile Crocodylus acutus Reptiles Caribbean, Central and South America, Florida, Mexico
114. American Mahogany Swietenia mahagoni Plants Central and South America, Florida
115. Lepidium arbuscula Lepidium arbuscula Plants Hawaii
116. Angular Dwarf Crayfish Cambarellus lesliei Crustaceans Alabama, Mississippi
117. Angular Pebblesnail Somatogyrus biangulatus Snails Alabama
118. Angular-Fruited Neraudia Neraudia angulata Plants Hawaii
119. Anianiau Hemignathus parvus Birds Hawaii
120. Anthony's Riversnail Athearnia anthonyi Snails Alabama, Georgia, Tennessee
121. Antioch Dunes Evening-primrose Oenothera deltoides ssp. howellii Plants California
122. Antirhea portoricensis Antirhea portoricensis Plants Puerto Rico
123. Antirhea sintenisii Antirhea sintenisii Plants Puerto Rico
124. Antrobia breweri Antrobia breweri Snails Alabama
125. Antrobia culveri Antrobia culveri Snails Montana
126. Anunu Sicyos alba Plants Hawaii
127. Apache Trout Oncorhynchus apache Fishes Arizona
128. Apalachicola Cave Crayfish Cambarus cryptodytes Crustaceans Florida, Georgia
129. Apalachicola Rosemary Conradina glabra Plants Florida
130. Aphaenogaster bidentatus Aphaenogaster bidentatus Insects United States
131. Appalachian Cottontail Sylvilagus obscurus Mammals United States
132. Appalachian Elktoe Alasmidonta raveneliana Clams North Carolina, Tennessee
133. Appalachian Monkeyface Pearlymussel Quadrula sparsa Clams Tennessee, Virginia
134. Appalachian Snaketail Ophiogomphus incurvatus Insects Alabama, Maryland, North Carolina, South Carolina, Tennessee, Virginia, West Virginia
135. Applegate's Milk-vetch Astragalus applegatei Plants Oregon
136. Schoepfia arenaria Schoepfia arenaria Plants Puerto Rico
137. Arizona Cave Amphipod Stygobromus arizonensis Crustaceans Arizona
138. Arizona Cliff-rose Purshia subintegra Plants Arizona
139. Arizona Giant Sand Treader Cricket Daihinibaenetes arizonensis Insects Arizona
140. Arizona Hedgehog Cactus Echinocereus triglochidiatus var. arizonicus Plants Arizona
141. Arizona Striped Whiptail Aspidoscelis arizonae Reptiles Arizona
142. Arkansas Fatmucket Lampsilis powellii Clams Arkansas
143. Armigerous River Snail Lithasia armigera Snails United States
144. Armored Snail Pyrgulopsis marstonia pachyta Snails Alabama
145. Armsia petasus Armsia petasus Snails Hawaii
146. Arroyo Southwestern Toad Bufo californicus microscaphus Amphibians California, Mexico
147. Ash Meadows Pebblesnail Pyrgulopsis erythropoma Snails Nevada
148. Ashy Darter Etheostoma cinereum Fishes Alabama, Georgia, Kentucky, Tennessee, Virginia
149. Ashy Dogweed Thymophylla tephroleuca Plants Texas
150. Ashy Storm-petrel Oceanodroma homochroa Birds California, Ecuador, Mexico
151. Asplenium fragile var. insulare Asplenium fragile var. insulare Plants Hawaii
152. Astreopora cucullata Astreopora cucullata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
153. Astreopora expansa Astreopora expansa Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
154. Astreopora macrostoma Astreopora macrostoma Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
155. Atlantic Cod Gadus morhua Fishes Asia, Europe, Middle East, North America (including United States), Oceanic
156. Atlantic Halibut Hippoglossus hippoglossus Fishes Canada (Newfoundland), Europe, United States (Alaska)
157. Atlantic Pigtoe Fusconaia masoni Clams United States
158. Atlantic Salmon  WATCH A LIVE ATLANTIC SALMON Salmo salar Fishes Gulf of Maine Atlantic Salmon DPS
159. Atlas Pebblesnail Somatogyrus humerosus Snails Alabama
160. Aupaka Isodendrion hosakae Plants Hawaii
161. Aupaka Isodendrion laurifolium Plants Hawaii
162. Austin Blind Salamander Eurycea waterlooensis Amphibians Texas
163. Australomussa rowleyensis Australomussa rowleyensis Corals, Jellyfish, and Sea Anemones Australia, Cambodia, China, Federated States of Micronesia, India, Indonesia, Japan, Malaysia, Myanmar, Palau, Papua New Guinea, Philippines, Singapore, Solomon Islands, Sri Lanka, Taiwan, Thailand, Vietnam
164. Autumn Buttercup Ranunculus acriformis var. aestivalis Plants Utah
165. Avalon Hairstreak Strymon avalona Insects California
166. Awalua Ridge Tetramolopium Tetramolopium remyi Plants Hawaii
167. Awiwi Centaurium sebaeoides Plants Hawaii
168. Bachman's Sparrow Aimophila aestivalis Birds United States
169. Bachman's Wood Warbler Vermivora bachmanii Birds Canada, Southeastern USA
170. Badwater Snail Assiminea infirma Snails United States
171. Bahama Swallow Tachycineta cyaneoviridis Birds Bahamas, Cuba, Florida
172. Baker's Cypress Cupressus bakeri Plants California, Oregon
173. Baker's Larkspur Delphinium bakeri Plants California
174. Balcones Cave Amphipod Stygobromus balconis Crustaceans Texas
175. Balcones Cave Shrimp Palaemonetes antrorum Crustaceans Texas
176. Banara vanderbiltii Banara vanderbiltii Plants Puerto Rico
177. Banbury Springs Limpet Lanx spp. Snails Idaho
178. Banded Elimia Elimia fascinans Snails Alabama
179. Banner-tailed Kangaroo Rat Dipodomys spectabilis Mammals Arizona, Mexico, New Mexico, Texas
180. Barabattoia laddi Barabattoia laddi Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
181. Barndoor Winter Skate Dipturus laevis Fishes Canada, United States
182. Barneby Reed-mustard Schoenocrambe barnebyi Plants Utah
183. Lepidium barnebyanum Lepidium barnebyanum Plants Utah
184. Barr's Cave Amphipod Stygobromus barri Crustaceans Missouri
185. Barrens Topminnow Fundulus julisia Fishes Tennessee
186. Barton Springs Salamander Eurycea sosorum Amphibians Texas
187. Basking Shark Cetorhinus maximus Fishes Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States), South America
188. Bastrop Crayfish Procambarus texanus Crustaceans Texas
189. Bat Cave Isopod Caecidotea macropoda Crustaceans Arkansas, Oklahoma
190. Bath County Cave Amphipod Stygobromus mundus Crustaceans Virginia
191. Beach Jacquemontia Jacquemontia reclinata Plants Florida
192. Beach Layia Layia carnosa Plants California
193. Beach Mouse Peromyscus polionotus Mammals Alabama, Florida
194. Beach Vole Microtus breweri Mammals Massachusetts
195. Bear Lake Sculpin Cottus extensus Fishes Idaho, Utah
196. Bearded Red Crayfish Procambarus pogum Crustaceans Mississippi
197. Beautiful Crayfish Cambarus speciosus Crustaceans Georgia
198. Beautiful Goetzea Goetzea elegans Plants Puerto Rico
199. Beautiful Pawpaw Deeringothamnus pulchellus Plants Florida
200. Beautiful Shiner Cyprinella formosa Fishes Arizona, Mexico, New Mexico
201. Bedstraw Galium buxifolium Plants California
202. Bedstraw Galium californicum ssp. sierrae Plants California
203. Bee Creek Cave Harvestman Texella reddelli Arachnids Texas
204. Belkin's Dune Tabanid Fly Brennania belkini Insects California, Mexico
205. Bell's Vireo Vireo bellii Birds California, El Salvador, Guatemala, Honduras, Mexico, Nicaragua
206. Belle's Sanddragon Progomphus bellei Insects Alabama, Florida, North Carolina
207. Beluga Delphinapterus leucas Mammals Asia, Europe, North America (including United States), Oceanic
208. Ben Lomond Spineflower Chorizanthe pungens var. hartwegiana Plants California
209. Ben Lomond Wallflower Erysimum teretifolium Plants California
210. Bendire's Thrasher Toxostoma bendirei Birds Arizona, California, Canada, Mexico, Nevada, New Mexico, Utah
211. Benton County Cave Crayfish Cambarus aculabrum Crustaceans Arkansas
212. Berberis nevinii Berberis nevinii Plants California
213. Berberis pinnata ssp. insularis Berberis pinnata ssp. insularis Plants California
214. Berry Cave Salamander Gyrinophilus gulolineatus Amphibians Tennessee
215. Betula uber Betula uber Plants Virginia
216. Bicknell's Thrush Catharus bicknelli Birds Canada, Connecticut, Cuba, Delaware, Dominican Republic, Georgia, Haiti, Jamaica, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Vermont, Virginia
217. Bicolor Cactus Snail Xerarionta tryoni Snails California
218. Bog Beggarticks Bidens conjuncta Plants Hawaii
219. Bifurcated Cave Amphipod Stygobromus bifurcatus Crustaceans Texas
220. Big Bend Gambusia Gambusia gaigei Fishes Texas
221. Big Bend Slider Trachemys gaigeae Reptiles Mexico, New Mexico, Texas
222. Big Blue Spring Cave Crayfish Procambarus horsti Crustaceans Florida
223. Big Island Ma'oloa Neraudia ovata Plants Hawaii
224. Big Levels Salamander Plethodon sherando Amphibians Virginia
225. Big Pine Key Conehead Katydid Belocephalus micanopy Insects Florida
226. Big Sandy Crayfish Cambarus veteranus Crustaceans Kentucky, Virginia, West Virginia
227. Big South Fork Crayfish Cambarus bouchardi Crustaceans Kentucky, Tennessee
228. Big-cheeked Cave Crayfish Procambarus delicatus Crustaceans Florida
229. Bigeye Tuna Thunnus obesus Fishes Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America - Including United States (Hawaii), Oceanic, South America
230. Bighorn Sheep Ovis canadensis Mammals California
231. Birdsnest Coral Seriatopora caliendrum Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
232. Birdwing Pearlymussel Conradilla caelata Clams Tennessee, Virginia
233. Black Abalone Haliotis cracherodii Snails California, Mexico (Baja California)
234. Black Clubshell Pleurobema curtum Clams Alabama, Mississippi
235. Black Creek Crayfish Procambarus pictus Crustaceans Florida
236. Black Grouper Epinephelus nigritus Fishes Central and South America, Mexico, United States
237. Black Lace Cactus Echinocereus reichenbachii var. alvertii Plants Texas
238. Black Mudalia Leptoxis melanoidus Snails Alabama
239. Black Rail Laterallus jamaicensis Birds Central America, North America (including United States), South America
240. Black Rockfish Mycteroperca bonaci Fishes Central America, North America (including United States), Oceanic, South America
241. Speckled Black Salamander Aneides flavipunctatus Amphibians California, Oregon
242. Black Sea Bass Stereolepis gigas Fishes California, Mexico
243. Black Toad Anaxyrus exsul Amphibians California
244. Black-capped Petrel Pterodroma hasitata Birds Cuba, Dominican Republic, Haiti, United States, West Indies (Dominica)
245. Black-capped Vireo Vireo atricapilla Birds Kansas, Louisiana, Mexico, Nebraska, Oklahoma, Texas
246. Black-crest Elimia Elimia albanyensis Snails Alabama, Florida, Georgia
247. Black-footed Albatross Phoebastria nigripes Birds Asia, Canada, New Zealand, United States and Minor Outlying Islands (including Hawaii)
248. Black-footed Ferret  WATCH A LIVE BLACK-FOOTED FERRET Mustela nigripes Mammals Western Canada, Western USA
249. Black-spotted Newt Notophthalmus meridionalis Amphibians Mexico, Texas
250. Black-tailed Godwit Limosa limosa Birds Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic
251. Black-vented Shearwater Puffinus opisthomelas Birds Canada (British Columbia), Mexico, United States (California)
252. Blackbarred Crayfish Cambarus unestami Crustaceans Alabama, Georgia
253. Blackbelted Crayfish Procambarus nigrocinctus Crustaceans Texas
254. Blackbuck Antilope cervicapra Mammals Argentina, India, United States
255. Blackburn's Sphinx Moth Manduca blackburni Insects Hawaii
256. Blackmouth Shiner Notropis melanostomus Fishes Alabama, Florida, Mississippi
257. Blacksaddled Coral Grouper Plectropomus laevis Fishes Africa, American Samoa, Asia, Australia, Central America, Europe, North America (United States Territory), Oceanic
258. Blastomussa wellsi Blastomussa wellsi Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory)
259. Blind Cave Beetle Glacicavicola bathysciodes Insects United States
260. Bliss Rapid Snail Taylorconcha serpenticola Snails Idaho
261. Bloater Coregonus hoyi Fishes Canada, United States
262. Blotchside Logperch Percina burtoni Fishes Alabama, North Carolina, Tennessee, Virginia
263. Blowout Penstemon Penstemon haydenii Plants Nebraska
264. Blue Coral Heliopora coerulea Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
265. Blue Ridge Gray-cheeked Salamander Plethodon amplus Amphibians North Carolina
266. Blue Shiner Cyprinella caerulea Fishes Alabama, Georgia, Tennessee
267. Blue Spring Aphaostracon Aphaostracon asthenes Snails Florida
268. Bluebarred Pygmy Sunfish Elassoma okatie Fishes Georgia, South Carolina
269. Bluegrass Crayfish Cambarus batchi Crustaceans Kentucky
270. Bluemask Darter Etheostoma doration Fishes Tennessee
271. Bluestripe Darter Percina cymatotaenia Fishes Missouri
272. Blunt Chaff Flower Achyranthes mutica Plants Hawaii
273. Blunt-nosed Leopard Lizard Gambelia silus Reptiles California
274. Bocaccio Rockfish Sebastes paucispinus Fishes Canada, Mexico, United States
275. Bog Turtle Glyptemys muhlenbergii Reptiles Eastern United States
276. Boisduval's Blue Butterfly Aricia icarioides Insects California, Oregon
277. Bone Cave Harvestman Texella reyesi Arachnids Texas
278. Bonytail Chub Gila elegans Fishes Arizona, California, Colorado, Nevada, Utah, Wyoming
279. Borax Lake Chub Gila boraxobius Fishes Oregon
280. Boreal Toad Anaxyrus boreas Amphibians Canada, Mexico, United States (California)
281. Boulder Darter Etheostoma wapiti Fishes Alabama, Tennessee
282. Boulder Pile Mountain Snail Oreohelix jugalis Snails Idaho
283. Bousfield's Amphipod Gammarus bousfieldi Crustaceans Illinois, Indiana, Kentucky
284. Bowman's Cave Amphipod Stygobromus bowmani Crustaceans Oklahoma
285. Boyd's Maidenfern Christella boydiae Plants Hawaii
286. Bracket Coral Podabacia motuporensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
287. Bradshaw's Desert-parsley Lomatium bradshawii Plants Oregon, Washington
288. Brady Pincushion Cactus Pediocactus bradyi Plants Arizona
289. Braken Bat Cave Meshweaver Cicurina venii Arachnids Texas
290. Branchinella alachua Branchinella alachua Crustaceans United States
291. Branchinella lithaca Branchinella lithaca Crustaceans United States
292. Branching Frogspawn Coral Euphyllia paradivisa Corals, Jellyfish, and Sea Anemones American Samoa, Australia, Indonesia, Malaysia, Philippines, Samoa, Singapore, Thailand
293. Braun's Rock-cress Arabis perstellata Plants Kentucky, Tennessee
294. Braunton's Milk-vetch Astragalus brauntonii Plants California
295. Brawleys Fork Crayfish Cambarus williami Crustaceans Tennessee
296. Brazoria Crayfish Procambarus brazoriensis Crustaceans Texas
297. Brazos River Watersnake Nerodia harteri Reptiles Texas
298. Bridled White-eye Zosterops conspicillatus conspicillatus Birds West Pacific Ocean (USA - Guam)
299. Brindle Bass Epinephelus lanceolatus Fishes Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory, including Hawaii), Oceanic
300. Bristle-thighed Curlew Numenius tahitiensis Birds American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
301. Britton's Beargrass Nolina brittoniana Plants Florida
302. Broad River Spiny Crayfish Cambarus spicatus Crustaceans North Carolina, South Carolina
303. Bronze Whaler Carcharhinus brachyurus Fishes Africa, Asia, Australia, Europe, Middle East, North America (including United States), South America
304. Brook Elimia Elimia strigosa Snails Tennessee
305. Brooksville Bellflower Campanula robinsiae Plants Florida
306. Brown Pelican Pelecanus occidentalis Birds Coastal Central and South America, USA (Carolinas to Texas, California, Oregon, Washington), West Indies
307. Brown's Pigweed Amaranthus brownii Plants Hawaii
308. Brown-marbled Grouper Epinephelus fuscoguttatus Fishes Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
309. Bruneau Hot Springsnail Pyrgulopsis bruneauensis Snails Idaho
310. Brunfelsia portoricensis Brunfelsia portoricensis Plants Puerto Rico
311. Bubble Coral Plerogyra simplex Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
312. Bubble Coral Plerogyra sinuosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
313. Buena Vista Lake Ornate Shrew Sorex ornatus relictus Mammals California
314. Buff-breasted Sandpiper Tryngites subruficollis Birds Africa, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
315. Buller's Shearwater Puffinus bulleri Birds American Samoa, Asia, Australia, North America (including United States), Oceanic, South America
316. Bullseye Electric Ray Diplobatus ommata Fishes California, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama
317. Bumphead Parrotfish Bolbometopon muricatum Fishes Africa, American Samoa, Asia, Australia, Central America, Middle East, North America (United States Territory), Oceanic
318. Bunched Arrowhead Sagittaria fasciculata Plants North Carolina, South Carolina
319. Burke's Goldfields Lasthenia burkei Plants California
320. Burnsville Cove Cave Amphipod Stygobromus conradi Crustaceans Virginia
321. Burrowing Bog Crayfish Fallicambarus burrisi Crustaceans Alabama, Mississippi
322. Buxus vahlii Buxus vahlii Plants Puerto Rico
323. Cabbage On a Stick Brighamia insignis Plants Hawaii
324. Caddo Madtom Noturus taylori Fishes Arkansas
325. Caddo Mountain Salamander Plethodon caddoensis Amphibians Arkansas
326. Caesalpinia kavaiense Caesalpinia kavaiense Plants Hawaii
327. Cagle's Map Turtle Graptemys caglei Reptiles Texas
328. Cahaba Shiner Notropis cahabae Fishes Alabama
329. Calamagrostis expansa Calamagrostis expansa Plants Hawaii
330. Calamagrostis hillebrandii Calamagrostis hillebrandii Plants Hawaii
331. Calico Grouper Epinephelus drummondhayi Fishes Bermuda - North Atlantic Ocean, Mexico, United States
332. California Bay Pea Crab Parapinnixa affinis Crustaceans California
333. California Condor  WATCH A LIVE CALIFORNIA CONDOR Gymnogyps californianus Birds Arizona, California, Oregon
334. California Freshwater Shrimp Syncaris pacifica Crustaceans California
335. California Giant Salamander Dicamptodon ensatus Amphibians California
336. California Jewelflower Caulanthus californicus Plants California
337. California Orcutt Grass Orcuttia californica Plants California
338. California Red Tree Mouse Arborimus pomo Mammals California
339. California Red-legged Frog Rana draytonii Amphibians California, Mexico
340. California Seablite Suaeda californica Plants California
341. California Sheephead Semicossyphus pulcher Fishes Mexico, United States (California)
342. California Taraxacum Taraxacum californicum Plants California
343. California Tiger Salamander Ambystoma californiense Amphibians California
344. Calistoga Allocarya Plagiobothrys strictus Plants California
345. Callippe Silverspot Butterfly Speyeria callippe callippe Insects California
346. Calvert's Emerald Somatochlora calverti Insects Alabama, Florida, South Carolina
347. Conasauga Blue Burrower Cambarus cymatilis Crustaceans Georgia, Tennessee
348. Elk River Crayfish Cambarus elkensis Crustaceans West Virginia
349. Cambarus strigosus Cambarus strigosus Crustaceans Georgia
350. Delaware County Cave Crayfish Cambarus subterraneus Crustaceans Oklahoma
351. Camouflage Grouper Epinephelus polyphekadion Fishes Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
352. Camp Shelby Burrowing Crayfish Fallicambarus gordoni Crustaceans Mississippi
353. Campbell Island Shag Phalacrocorax campbelli Birds Nebraska
354. Cana Gorda Girdlepod Mitracarpus polycladus Plants Puerto Rico, Saba
355. Canby's Dropwort Oxypolis canbyi Plants Delaware, Georgia, Maryland, North Carolina, South Carolina
356. Canelo Hills Ladies'-tresses Spiranthes delitescens Plants Arizona
357. Capa rosa Callicarpa ampla Plants Puerto Rico
358. Cape Fear Shiner Notropis mekistocholas Fishes North Carolina
359. Cape Sable Seaside Sparrow Ammodramus maritimus mirabilis Birds Florida
360. Cape Shark Squalus acanthias Fishes Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States), South America
361. Caper Elimia Elimia olivula Snails Alabama
362. Caper Shrub Capparis sandwichiana Plants Hawaii
363. Carex albida Carex albida Plants California
364. Carex lutea Carex lutea Plants North Carolina
365. Caribbean Coot Fulica caribaea Birds Central America, North America (United States Territory), South America
366. Caribbean Electric Ray Narcine bancroftii Fishes Brazil, Florida, French Guiana, Guyana, Mississippi, New Mexico, North Carolina, Suriname, Venezuela
367. Caribbean Reef Shark Carcharhinus perezi Fishes Central America, North America (including United States), Oceanic, South America
368. Carolina Heelsplitter Lasmigona decorata Clams North Carolina, South Carolina
369. Caroline Islands Ground-dove Gallicolumba kubaryi Birds Federated States of Micronesia
370. Carson Wandering Skipper Pseudocopaeodes eunus obscurus Insects California, Nevada
371. Carter's Mustard Warea carteri Plants Florida
372. Cascade Cave Amphipod Stygobromus dejectus Crustaceans Texas
373. Cascade Caverns Salamander Eurycea latitans Amphibians Texas
374. Cascade Torrent Salamander Rhyacotriton cascadae Amphibians Oregon, Washington
375. Cascades Frog Rana cascadae Amphibians California, Canada
376. Cassin's Finch Carpodacus cassinii Birds Canada, Mexico, United States
377. Catalina Island Mountain-Mahogany Cercocarpus traskiae Plants California
378. Catalina Mountain Snail Radiocentrum avalonense Snails California
379. Catspaw Pearlymussel Epioblasma obliquata Clams Illinois, Indiana, Kentucky, Michigan, Ohio, Tennessee
380. Caulastrea curvata Caulastrea curvata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
381. Caulastrea echinulata Caulastrea echinulata Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
382. Cauliflower Coral Pocillopora elegans Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Central America, North America (including United States Territory), South America
383. Cauliflower Coral Pocillopora eydouxi Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
384. Cave Physa Physella spelunca Snails Wyoming
385. Cayey Robber Frog Eleutherodactylus jasperi Amphibians Puerto Rico
386. Cayman Islands Ground Iguana Cyclura nubila Reptiles Caymans, Cuba, Puerto Rico
387. Celtis lindheimeri Celtis lindheimeri Plants Mexico, Texas
388. Central Missouri Cave Amphipod Allocrangonyx hubrichti Crustaceans Arkansas, Missouri
389. Cerulean Warbler Dendroica cerulea Birds Bahamas, Belize, Bolivia, Brazil, Canada, Colombia, Costa Rica, Cuba, Ecuador, Guatemala, Honduras, Jamaica, Mexico, Netherlands Antilles, Panama, Peru, United States, Venezuela
390. Charalito Chihuahua Gila nigrescens Fishes Mexico, New Mexico
391. Charalito Sonorense Gila ditaenia Fishes Arizona, Mexico
392. Chase's Threeawn Aristida chaseae Plants Puerto Rico
393. Chatham Albatross Thalassarche eremita Birds American Samoa, Australia, Chile, Cook Islands, French Polynesia, New Zealand, Niue, Peru, Wallis and Futuna
394. Chatooga Crayfish Cambarus scotti Crustaceans Alabama, Georgia
395. Chattahoochee Crayfish Cambarus howardi Crustaceans Alabama, Georgia, North Carolina
396. Cheat Mountain Salamander Plethodon nettingi Amphibians West Virginia
397. Cheesewood Pittosporum napaliense Plants Hawaii
398. Cheoah Bald Salamander Plethodon cheoah Amphibians North Carolina
399. Cherokee Clubtail Gomphus consanguis Insects United States
400. Chestnut-collared Longspur Calcarius ornatus Birds North America (including United States)
401. Chickamanga Crayfish Cambarus extraneus Crustaceans Georgia, Tennessee
402. Chinese Soft-shelled Turtle Pelodiscus sinensis Reptiles China, China, Hawaii, Japan, Taiwan, Thailand, Vietnam
403. Chinook Salmon Oncorhynchus tshawytscha Fishes California (Sacramento River) in the winters
404. Chipola Slabshell Elliptio chipolaensis Clams Alabama, Florida
405. Chiricahua Leopard Frog Lithobates chiricahuensis Amphibians Arizona, Mexico, New Mexico
406. Chisholm Trail Salamander Eurycea chisholmensis Amphibians Texas
407. Choctaw Riverlet Crayfish Hobbseus valleculus Crustaceans Mississippi
408. Chrysophyllum pauciflorum Chrysophyllum pauciflorum Plants Puerto Rico, Virgin Islands
409. Chupacallos Pleodendron macranthum Plants Puerto Rico
410. Chuuk Monarch Metabolus rugensis Birds Federated States of Micronesia
411. Ciervo Scarab Beetle Aegialia concinna Insects California
412. Clanton's Cave Amphipod Stygobromus clantoni Crustaceans Kansas, Missouri
413. Clapper Rail Rallus longirostris Birds Arizona, California
414. Clara Hunt's Milk-vetch Astragalus clarianus Plants California
415. Clay Phacelia Phacelia argillacea Plants Utah
416. Clay-loving Wild-buckwheat Eriogonum pelinophilum Plants Colorado
417. Clear Creek Gambusia Gambusia heterochir Fishes Texas
418. Clench's Middle-toothed Land Snail Mesodon clenchi Snails Arkansas
419. Clifton Cave Isopod Caecidotea barri Crustaceans Kentucky
420. Climbing Alsinidendron Alsinidendron viscosum Plants Hawaii
421. Closed Brain Coral Leptoria phrygia Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
422. Clouded Salamander Aneides ferreus Amphibians California, Oregon
423. Clover Lupine Lupinus tidestromii Plants California
424. Fir Clubmoss Huperzia mannii Plants Hawaii
425. Clubshell Pleurobema clava Clams Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, West Virginia
426. Coachelia Giant Sand Treader Cricket Macrobaenetes valgum Insects California
427. Coachella Valley Fringe-toed Lizard Uma inornata Reptiles California
428. Coachella Valley Jerusalem Cricket Stenopelmatus cahuilaensis Insects California
429. Coachella Valley Milk-vetch Astragalus lentiginosus var. coachellae Plants California
430. Coahuila Isopod Mexistenasellus coahuila Crustaceans Mexico, Texas
431. Coal Elimia Elimia aterina Snails Tennessee, Virginia
432. Coastal Dunes Milk-vetch Astragalus tener var. titi Plants California
433. Coastal Flatwoods Crayfish Procambarus apalachicolae Crustaceans Florida
434. Coastal Lowland Cave Crayfish Procambarus leitheuseri Crustaceans Florida
435. Cobana Negra Stahlia monosperma Plants Dominican Republic, Puerto Rico, Virgin Islands
436. Coccoloba rugosa Coccoloba rugosa Plants Puerto Rico
437. Coffin Cave Mold Beetle Batrisodes texanus Insects Texas
438. Coho Salmon Oncorhynchus kisutch Fishes California
439. Cokendolpher Cave Harvestman Texella cokendolpheri Arachnids Texas
440. Coldwater Darter Etheostoma ditrema Fishes Alabama, Georgia, Tennessee
441. Colima Warbler Vermivora crissalis Birds Mexico, Texas
442. Collared Petrel Pterodroma brevipes Birds American Samoa, Cook Islands, Fiji, Samoa
443. Colorado Checkered Whiptail Aspidoscelis neotesselata Reptiles Colorado
444. Colorado Desert Fringe-toed Lizard Uma notata Reptiles California, Mexico
445. Colorado Pikeminnow Ptychocheilus lucius Fishes Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
446. Columbia Clubtail Gomphus lynnae Insects Oregon, Washington
447. Columbia River Tiger Beetle Cicindela columbica Insects Idaho, Oregon, Washington
448. Columbia Torrent Salamander Rhyacotriton kezeri Amphibians Oregon, Washington
449. Comal Blind Salamander Eurycea tridentifera Amphibians Texas
450. Comal Springs Dryopid Beetle Stygoparnus comalensis Insects Texas
451. Comal Springs Riffle Beetle Heterelmis comalensis Insects Texas
452. Comanche Springs Pupfish Cyprinodon elegans Fishes Texas
453. Common Moorhen Gallinula chloropus Birds Hawaii, West Pacific Ocean (USA - Guam, Tinian, Saipan, Pagan)
454. Common Sawfish Pristis pristis Fishes Africa, Asia, Australia, Central and South America, Europe, Mexico, United States
455. Common Seahorse Hippocampus kuda Fishes Asia, Australia, Hawaii, Middle East, Oceanic
456. Commoner Lignum Vitae Guaiacum officinale Plants Central and South America, Puerto Rico, Thailand, Virgin Islands (British and US)
457. Conasauga Logperch Percina jenkinsi Fishes Georgia, Tennessee
458. Concentrated Snail Micrarionta facta Snails California
459. Concho Water Snake Nerodia paucimaculata Reptiles Texas
460. Conservancy Fairy Shrimp Branchinecta conservatio Crustaceans California
461. Contra Costa Goldfields Lasthenia conjugens Plants California
462. Contra Costa Wallflower Erysimum capitatum var. angustatum Plants California
463. Cook's Lomatium Lomatium cookii Plants Oregon
464. Cook's Petrel Pterodroma cookii Birds American Samoa, Australia (Norfolk Island), Chile, Cook Islands, French Polynesia, Mexico, New Zealand, Niue, Pitcairn, United States and Minor Outlying Islands, Wallis and Futuna
465. Cook's Robber Frog Eleutherodactylus cooki Amphibians Puerto Rico
466. Cooke's Koki'o Kokia cookei Plants Hawaii
467. Cookeconcha contorta Cookeconcha contorta Snails Hawaii
468. Cooley's Meadowrue Thalictrum cooleyi Plants Florida, North Carolina
469. Cooper's Cave Amphipod Stygobromus cooperi Crustaceans West Virginia
470. Coosa Moccasinshell Medionidus parvulus Clams Alabama, Georgia, Tennessee
471. Coosa Pebblesnail Somatogyrus coosaensis Snails Alabama
472. Coosawattae Crayfish Cambarus coosawattae Crustaceans Georgia
473. Coppercheek Darter Etheostoma aquali Fishes Tennessee
474. Coral Trout Plectropomus leopardus Fishes Australia, Brunei Darussalam, China, China, Fiji, Hong Kong, Indonesia, Japan, Malaysia, Marshall Islands, New Caledonia, Palau, Papua New Guinea, Philippines, Solomon Islands, Taiwan, Thailand, Tonga, Vanuatu, Vietnam, Wallis and Futuna
475. Corpulent Hornsnail Pleurocera corpulenta Snails Alabama, Tennessee
476. Corrollton Crayfish Procambarus connus Crustaceans Mississippi
477. Coryphantha minima Coryphantha minima Plants Texas
478. Coryphantha scheeri var. robustispina Coryphantha scheeri var. robustispina Plants Arizona, Mexico
479. Coryphantha sneedii var. sneedii Coryphantha sneedii var. sneedii Plants New Mexico, Texas
480. Cosmosflower Beggarticks Bidens cosmoides Plants Hawaii
481. Cougar  WATCH A LIVE COUGAR Puma concolor Mammals North and Central America
482. Cowfish Rhinoptera bonasus Fishes Belize, Brazil, Colombia, Costa Rica, Cuba, Florida, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Suriname, Trinidad and Tobago, Venezuela
483. Coyote Ceanothus Ceanothus ferrisae Plants California
484. Cracking Pearlymussel Hemistena lata Clams Alabama, Illinois, Indiana, Kentucky, Tennessee, Virginia
485. Craveri's Murrelet Synthliboramphus craveri Birds California, Mexico
486. Crawfish Frog Lithobates areolatus Amphibians United States
487. Crematogaster pilosa Crematogaster pilosa Insects United States
488. Crenulate Lead-plant Amorpha crenulata Plants Florida
489. Cresent Dune Scarab Beetle Aegialia crescenta Insects Nevada
490. Crested Honeycreeper Palmeria dolei Birds Hawaii
491. Cricket Robber Frog Eleutherodactylus gryllus Amphibians Puerto Rico
492. Crimson Hawaiian Damselfly Megalagrion leptodemas Insects Hawaii
493. Crossband Rockfish Mycteroperca interstitialis Fishes Central America, North America (including United States), Oceanic, South America
494. Crotalaria avonensis Crotalaria avonensis Plants Florida
495. Crust Coral Leptastrea bewickensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
496. Crust Coral Leptastrea bottae Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
497. Crust Coral Leptastrea inaequalis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
498. Crystal Darter Crystallaria asprella Fishes Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Wisconsin
499. Crystal Siltsnail Cincinnatia helicogyra Snails Florida
500. Cubera Snapper Lutjanus cyanopterus Fishes Central America, North America (including United States), South America
501. Cui-ui Chasmistes cujus Fishes Nevada
502. Culebra Island Giant Anole Anolis roosevelti Reptiles USA (Puerto Rico - Culebra Island)
503. Cumberland Bean Pearlymussel Villosa trabalis Clams Kentucky, Tennessee, Virginia
504. Cumberland Combshell Epioblasma brevidens Clams Kentucky, Mississippi, Tennessee, Virginia
505. Cumberland Dusky Salamander Desmognathus abditus Amphibians Tennessee
506. Cumberland Elktoe Alasmidonta atropurpurea Clams Kentucky, Tennessee
507. Cumberland Monkeyface Pearlymussel Quadrula intermedia Clams Tennessee, Virginia
508. Cumberland Pigtoe Pleurobema gibberum Clams Tennessee
509. Cushenbury Milk-vetch Astragalus albens Plants California
510. Cushenbury Oxytheca Oxytheca parishii var. goodmaniana Plants California
511. Cushion Buckwheat Eriogonum ovalifolium Plants California, Nevada
512. Cyathea dryopteroides Cyathea dryopteroides Plants Puerto Rico
513. Cylindrical Lioplax Snail Lioplax cyclostomaformis Snails Alabama, Georgia
514. Cyperus trachysanthos Cyperus trachysanthos Plants Hawaii
515. Cypress Crayfish Cambarellus blacki Crustaceans Florida
516. Dakota Skipper Hesperia dacotae Insects Canada, United States
517. Daphnopsis hellerana Daphnopsis hellerana Plants Puerto Rico
518. Dark Pigtoe Pleurobema furvum Clams Alabama
519. Davis' Green Pitaya Echinocereus viridiflorus var. davisii Plants Texas
520. Del Mar Manzanita Arctostaphylos glandulosa ssp. crassifolia Plants California, Mexico
521. Del Norte Salamander Plethodon elongatus Amphibians California
522. Delhi Sands Flower-loving Fly Rhaphiomidas terminatus abdominalis Insects California
523. Delmarva Peninsula Fox Squirrel Sciurus niger cinereus Mammals USA (Delmarva Peninsula to southeastern Pennsylvania)
524. Delta Green Ground Beetle Elaphrus viridis Insects California
525. Delta Smelt Hypomesus transpacificus Fishes California
526. Deltoid Spurge Chamaesyce deltoidea ssp. deltoidea Plants Florida
527. Dense Hydrobe Aphaostracon pycnus Snails Florida
528. Dense-flowered Charpenttiera Charpentiera densiflora Plants Hawaii
529. Desert Dace Eremichthys acros Fishes Nevada
530. Desert Monkey Grasshopper Psychomastatix deserticola Insects United States
531. Desert Pocket Gopher Geomys arenarius Mammals Mexico, New Mexico, Texas
532. Desert Pupfish Cyprinodon macularius Fishes Arizona, California, Mexico
533. Desert Slender Salamander Batrachoseps aridus Amphibians California
534. Desert Tortoise Gopherus agassizii Reptiles Arizona, California, Mexico, Nevada, Utah
535. Devil Fish Manta birostris Fishes Africa, Asia, Australia, Central America, Europe, Hawaii, Middle East, North America, Oceanic, South America
536. Devil's Hole Pupfish  WATCH A LIVE DEVIL'S HOLE PUPFISH Cyprinodon diabolis Fishes Nevada
537. Devil's River Minnow Dionda diaboli Fishes Mexico, Texas
538. Devil's Sinkhole Amphipod Stygobromus hadenoecus Crustaceans Texas
539. Diellia erecta Diellia erecta Plants Hawaii
540. Diellia falcata Diellia falcata Plants Hawaii
541. Diellia pallida Diellia pallida Plants Hawaii
542. Diellia unisora Diellia unisora Plants Hawaii
543. Diminutive Amphipod Gammarus hyalelloides Crustaceans Texas
544. Diminutive Clubtail Gomphus diminutus Insects Georgia, North Carolina, South Carolina, Tennessee
545. Twinsorus Fern Diplazium molokaiense Plants Hawaii
546. Distocambarus devexus Distocambarus devexus Crustaceans Georgia
547. Distocambarus youngineri Distocambarus youngineri Crustaceans South Carolina
548. Dolloff Cave Spider Meta dolloff Arachnids California, Texas
549. Domed Ancylid Rhodacme elatior Snails Alabama, Kentucky, Tennessee
550. Domin's Club Cheirodendron dominii Plants Hawaii
551. Donkey Fish Dermatolepis inermis Fishes Central and South America, North America (including United States), Oceanic
552. Dorymyrmex insanus Dorymyrmex insanus Insects United States
553. Dromedary Pearlymussel Dromus dromas Clams Alabama, Kentucky, Tennessee, Virginia
554. Duckbill Cat Polyodon spathula Fishes United States
555. Duckwater Pyrg Pyrgulopsis aloba Snails Nevada
556. Dunes Sagebrush Lizard Sceloporus arenicolus Reptiles New Mexico, Texas
557. Dusky Gopher Frog Lithobates sevosus Amphibians Mississippi
558. Duskytail Darter Etheostoma percnurum Fishes Tennessee, Virginia
559. Dutton's River Snail Lithasia duttoniana Snails Tennessee
560. Dwarf Bear-poppy Arctomecon humilis Plants Utah
561. Dwarf Coqui Eleutherodactylus unicolor Amphibians Puerto Rico
562. Dwarf Iliau Wilkesia hobdyi Plants Hawaii
563. Scaevola coriacea Scaevola coriacea Plants Hawaii
564. Dwarf Pebblesnail Somatogyrus nanus Snails Alabama
565. Dwarf Wedgemussel Alasmidonta heterodon Clams Canada (New Brunswick), United States
566. Eared Quetzal Euptilotis neoxenus Birds Arizona, Mexico, New Mexico
567. Earthworm Komarekiona eatoni Worms United States
568. East Maui Silversword Argyroxiphium sandwicense Plants Hawaii
569. Eastern Fox Snake Pantherophis gloydi Reptiles Michigan, New York, Ohio
570. Eastern Sand Darter Etheostoma pellucidum Fishes Canada, United States
571. Eastern Tur Capra cylindricornis Mammals Azerbaijan, Georgia, Russia
572. Echinomorpha nishihirai Echinomorpha nishihirai Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
573. Echinopora horrida Echinopora horrida Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
574. Echinopora mammiformis Echinopora mammiformis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
575. Echinopora pacificus Echinopora pacificus Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
576. Echinopora taylorae Echinopora taylorae Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory)
577. Edisto Crayfish Procambarus echinatus Crustaceans South Carolina
578. Edmund's Snaketail Ophiogomphus edmundo Insects Georgia, North Carolina, Tennessee
579. Eke Silversword Argyroxiphium caliginis Plants Hawaii
580. El Segundo Blue Butterfly Euphilotes battoides allyni Insects California
581. Elaphoidella amabilis Elaphoidella amabilis Crustaceans United States
582. Elegant Tern Sterna elegans Birds Belgium, Chile, Colombia, Costa Rica, Denmark, Ecuador, El Salvador, Falkland Islands (Malvinas), France, Guatemala, Ireland, Mexico, Nicaragua, Panama, Peru, United States, United States Minor Outlying Islands
583. Elepaio Chasiempis sandwichensis Birds Hawaii
584. Elevated Spring Amphipod Stygobromus elatus Crustaceans Arkansas
585. Elfin-woods Warbler Dendroica angelae Birds Puerto Rico
586. Elimia porrecta Elimia porrecta Snails Tennessee
587. Elimia pybasi Elimia pybasi Snails Alabama
588. Elimia teres Elimia teres Snails Tennessee
589. Elimia troostiana Elimia troostiana Snails Tennessee
590. Elk River File Snail Lithasia lima Snails Alabama, Tennessee
591. Elliptical Star Coral Dichocoenia stokesii Corals, Jellyfish, and Sea Anemones Central America, Europe, North America (including United States), Oceanic, South America
592. Emerald Valvata Valvata virens Snails California
593. Emperor Goose Chen canagica Birds Alaska, Canada, Russia
594. Empire Cave Pseudoscorpion Fissilicreagris imperialis Arachnids California
595. Endodonta apiculata Endodonta apiculata Snails Hawaii
596. Enterprise Siltsnail Cincinnatia monroensis Snails Florida
597. Ephemeral Cave Amphipod Stygobromus ephemerus Crustaceans Virginia
598. Erigeron decumbens var. decumbens Erigeron decumbens var. decumbens Plants Oregon
599. Erythrina eggersii Erythrina eggersii Plants Puerto Rico, Virgin Islands
600. Escambia Crayfish Procambarus escambiensis Crustaceans Alabama, Florida
601. Eskimo Curlew Numenius borealis Birds Alaska and Northern Canada to Argentina
602. Etonia Rosemary Conradina etonia Plants Florida
603. Etowah Crayfish Cambarus fasciatus Crustaceans Georgia
604. Etowah Darter Etheostoma etowahae Fishes Georgia
605. Eua zebrina Eua zebrina Snails American Samoa
606. Eugenia haematocarpa Eugenia haematocarpa Plants Puerto Rico
607. Eugenia koolauensis Eugenia koolauensis Plants Hawaii
608. Eugenia woodburyana Eugenia woodburyana Plants Puerto Rico
609. Euphorbia haeleeleana Euphorbia haeleeleana Plants Hawaii
610. Euphyllia yaeyamaensis Euphyllia yaeyamaensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
611. Eurasian Curlew Numenius arquata Birds Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
612. Eureka Dune Grass Swallenia alexandrae Plants California
613. Eureka Valley Evening-primrose Oenothera avita ssp. eurekensis Plants California
614. European Rabbit Oryctolagus cuniculus Mammals Africa, Asia, Australia, Europe, North America (including United States), South America
615. Everglade Snail Kite Rostrhamus sociabilis plumbeus Birds Florida
616. Everglades Sprite Nehalennia pallidula Insects Florida
617. Ewa Plains 'Akoko Chamaesyce skottsbergii var. kalaeloana Plants Hawaii
618. Ezell's Cave Amphipod Stygobromus flagellatus Crustaceans Texas
619. Fabulous Green Sphinx Moth Tinostoma smaragditis Insects Hawaii
620. Faichuk White-eye Rukia ruki Birds Federated States of Micronesia
621. Jefferson County Crayfish Fallicambarus gilpini Crustaceans Arkansas
622. False 'Ohe Munroidendron racemosum Plants Hawaii
623. False Flower Coral Anacropora puertogalerae Corals, Jellyfish, and Sea Anemones Asia, Australia, Europe, North America (United States Territory), Oceanic
624. False Pillow Coral Pseudosiderastrea tayami Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
625. False Spike Quincuncina mitchelli Clams Texas
626. Fanshell Cyprogenia stegaria Clams Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
627. Fat Pocketbook Potamilus capax Clams Arkansas, Illinois, Indiana, Iowa, Kentucky, Mississippi, Missouri, Ohio
628. Fat Three-ridge Mussel Amblema neislerii Clams Florida, Georgia
629. Fat-whorled Pondsnai Stagnicola bonnevillensis Snails Utah, Wyoming
630. Fenney Spring Hydrobe Aphaostracon xynoelictum Snails Florida
631. Few-flowered Navarretia Navarretia leucocephala ssp. pauciflora Plants California
632. Fine-lined Pocketbook Lampsilis altilis Clams Alabama, Georgia, Tennessee
633. Fine-rayed Pigtoe Pearlymussel Fusconaia cuneolus Clams Tennessee, Virginia
634. Flat Pebblesnail Lepyrium showalteri Snails Alabama
635. Flat Pigtoe Pleurobema marshalli Clams Alabama, Mississippi
636. Flat-tailed Horned Lizard Phrynosoma mcallii Reptiles Arizona, California, Mexico
637. Flattened Musk Turtle Sternotherus depressus Reptiles Alabama
638. Flaxen Elimia Elimia boykiniana Snails Alabama, Georgia
639. Flordia Torreya Torreya taxifolia Plants Florida, Georgia
640. Florida Bog Frog Lithobates okaloosae Amphibians Florida
641. Florida Bonneted Bat Eumops floridanus Mammals Florida
642. Florida Cave Amphipod Crangonyx grandimanus Crustaceans Florida
643. Florida Cave Shrimp Palaemonetes cummingi Crustaceans Florida
644. Florida Deermouse Podomys floridanus Mammals Florida
645. Florida Fairy Shrimp Dexteria floridana Crustaceans Florida
646. Florida Golden Aster Chrysopsis floridana Plants Florida
647. Florida Grasshopper Sparrow Ammodramus savannarum floridanus Birds Florida
648. Florida Perforate Cladonia Cladonia perforata Plants Florida
649. Florida Salt Marsh Vole Microtus pennsylvanicus dukecampbelli Mammals Florida
650. Florida Sand Skink Neoseps reynoldsi Reptiles Florida
651. Florida Scrub Lizard Sceloporus woodi Reptiles Florida
652. Florida Scrub-jay Aphelocoma coerulescens Birds Florida
653. Florida Yew Taxus floridana Plants Florida
654. Ziziphus celata Ziziphus celata Plants Florida
655. Flueggea neowawraea Flueggea neowawraea Plants Hawaii
656. Fluted Pebblesnail Somatogyrus hendersoni Snails Alabama
657. Flying Earwig Hawaiian Damselfly Megalagrion nesiotes Insects Hawaii
658. Foothill Yellow-legged Frog Rana boylii Amphibians California, Mexico, Oregon
659. Formica dirksi Formica dirksi Insects United States
660. Formica talbotae Formica talbotae Insects United States
661. Formicoxenus chamberlini Formicoxenus chamberlini Insects United States
662. Formicoxenus provancheri Formicoxenus provancheri Insects Canada, United States
663. Fosberg's Love Grass Eragrostis fosbergii Plants Hawaii
664. Fountain Darter Etheostoma fonticola Fishes Texas
665. Fountain Thistle Cirsium fontinale Plants California
666. Four-petal Pawpaw Asimina tetramera Plants Florida
667. Fourche Mountain Salamander Plethodon fourchensis Amphibians Arkansas
668. Foushee Cavesnail Amnicola cora Snails Arkansas
669. Fragrant Prickly-apple Cereus eriophorus var fragrans Plants Florida
670. Franklin Tree Franklinia alatamaha Plants Georgia
671. Franklin's Bumble Bee Bombus franklini Insects California, Oregon
672. Fraser Fir Abies fraseri Plants North Carolina, Tennessee, Virginia
673. Fraternal Snail Micrarionta feralis Snails California
674. Freckled Darter Percina lenticula Fishes Alabama, Georgia, Louisiana, Mississippi
675. French Broad Crayfish Cambarus reburrus Crustaceans North Carolina
676. Frilled Shark Chlamydoselachus anguineus Fishes Angola, Australia, Chile, France, Guyana, Japan, Mauritania, Morocco, Namibia, New Zealand, Norway, Portugal (Madeira), South Africa, Spain, United Kingdom, United States (California)
677. Fringe Tree Chionanthus pygmaeus Plants Florida
678. Frosted Flatwoods Salamander Ambystoma cingulatum Amphibians Florida, Georgia, South Carolina
679. Frye's Limbella Moss Limbella fryei Plants Oregon
680. Fungia fungites Fungia fungites Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
681. Furbish Lousewort Pedicularis furbishiae Plants Canada (New Brunswick), Maine
682. Fuzzy Pigtoe Pleurobema strodeanum Clams Alabama, Florida
683. Gabb's Snail Micrarionta gabbii Snails California
684. Galapagos Shark Carcharhinus galapagensis Fishes Africa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic, South America
685. Gambel's Watercress Rorippa gambellii Plants California
686. Gammon's Riffle Beetle Stenelmis gammoni Insects Alabama, North Carolina, Virginia
687. Gardenia brighamii Gardenia brighamii Plants Hawaii
688. Gardenia mannii Gardenia mannii Plants Hawaii
689. Garrett's Mint Dicerandra christmanii Plants Florida
690. Gaudichaud's Exocarpus Exocarpos gaudichaudii Plants Hawaii
691. Gaviota Tarplant Deinandra increscens ssp. villosa Plants California
692. Gentian Pinkroot Spigelia gentianoides Plants Alabama, Florida
693. Gentner's Fritillary Fritillaria gentneri Plants Oregon
694. Georgia Blind Salamander Eurycea wallacei Amphibians Florida, Georgia
695. Campbell's Liverwort Geothallus tuberosus Plants California
696. Geranium arboreum Geranium arboreum Plants Hawaii
697. Geranium multiflorum Geranium multiflorum Plants Hawaii
698. Giant Butterfly Ray Gymnura altavela Fishes Africa, Asia, Central America, Europe, Middle East, North America (including United States), South America
699. Giant Clam Tridacna gigas Clams Asia, Australia, North America (United States Territory), Oceanic
700. Giant Garter Snake Thamnophis gigas Reptiles California
701. Giant Kangaroo Rat Dipodomys ingens Mammals California
702. Giant Palouse Earthworm Driloleirus americanus Worms Idaho, Washington
703. Giant Wrasse Cheilinus undulatus Fishes Africa, Asia, Australia, Middle East, Oceanic, United States Minor Outlying Islands (Wake Is.)
704. Gila Chub Gila intermedia Fishes Arizona, Mexico, New Mexico
705. Gila Monster Heloderma suspectum Reptiles Mexico, United States
706. Gila Springsnail Pyrgulopsis gilae Snails New Mexico
707. Gila Topminnow Poeciliopsis occidentalis Fishes Arizona, New Mexico
708. Gila Trout Oncorhynchus gilae Fishes Arizona, New Mexico
709. Gilia Gilia tenuiflora Plants California
710. Giuliani's Dune Scarab Beetle Pseudocotalpa giulianii Insects Nevada
711. Glacier Bay Wolf Spider Pardosa diuturna Arachnids United States (Alaska)
712. Gladiator Elimia Elimia hydei Snails Alabama
713. Globose Dune Beetle Coelus globosus Insects California, Mexico
714. Golden White-eye Cleptornis marchei Birds Northern Mariana Islands
715. Golden-cheeked Wood Warbler Dendroica chrysoparia Birds Belize, Guatemala, Honduras, Mexico, Nicaragua, Texas
716. Golden-winged Warbler Vermivora chrysoptera Birds Central America, Europe, North America (including United States), Oceanic, South America
717. Goldline Darter Percina aurolineata Fishes Alabama, Georgia
718. Goliath Grouper Epinephelus itajara Fishes Africa, Central and South America, Mexico, United States (Florida, Minor Outlying Islands)
719. Goniastrea favulus Goniastrea favulus Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
720. Goniastrea minuta Goniastrea minuta Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Oceanic
721. Goniastrea palauensis Goniastrea palauensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
722. Goniopora lobata Goniopora lobata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
723. Goniopora minor Goniopora minor Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
724. Goniopora stokesi Goniopora stokesi Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
725. Gopher Frog Rana capito Amphibians United States
726. Gopher Tortoise Gopherus polyphemus Reptiles Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina
727. Gouania hillebrandii Gouania hillebrandii Plants Hawaii
728. Gouania meyenii Gouania meyenii Plants Hawaii
729. Gouania vitifolia Gouania vitifolia Plants Hawaii
730. Gould's Petrel Pterodroma leucoptera Birds American Samoa, Antarctica, Australia, Cook Islands, French Polynesia, New Caledonia, New Zealand, Niue, Peru, Pitcairn, Wallis and Futuna
731. Government Canyon Bat Cave Meshweaver Cicurina vespera Arachnids Texas
732. Government Canyon Bat Cave Spider Neoleptoneta microps Arachnids Texas
733. Gowen Cypress Cupressus goveniana Plants California
734. Grady's Cave Amphipod Stygobromus gradyi Crustaceans California
735. Grand Wash Springsnail Pyrgulopsis bacchus Snails Arizona
736. Grape Coral Euphyllia cristata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
737. Gray Bat Myotis grisescens Mammals Central and Southeastern USA
738. Gray Nurse Shark Carcharias taurus Fishes Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
739. Gray Wolf  WATCH A LIVE GRAY WOLF Canis lupus Mammals Mexico, United States
740. Gray-checkered Whiptail Aspidoscelis dixoni Reptiles New Mexico, Texas
741. Great White Shark Carcharodon carcharias Fishes Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States and Hawaii), Oceanic, South America
742. Greater Prairie-chicken Tympanuchus cupido attwateri Birds Canada, United States
743. Greater Sage-grouse Centrocercus urophasianus Birds Canada, United States
744. Green Pitcher-plant Sarracenia oreophila Plants Alabama, Georgia, North Carolina, Tennessee
745. Green Salamander Aneides aeneus Amphibians United States
746. Green Sea Turtle Chelonia mydas Reptiles Florida, Mexico (nesting populations), temperate seas and oceans
747. Green Sturgeon Acipenser medirostris Fishes Alaska, California, Canada (British Columbia), Mexico, Oregon
748. Green Torch Coral Euphyllia glabrescens Corals, Jellyfish, and Sea Anemones Africa, Antarctica, Asia, Australia, Europe, Middle East, North America (United States Territory)
749. Greenbrier Cave Amphipod Stygobromus emarginatus Crustaceans Maryland, West Virginia
750. Greenbrier Cave Crayfish Cambarus nerterius Crustaceans West Virginia
751. Greenbrier Cavesnail Fontigens turritella Snails West Virginia
752. Greene's Tuctoria Tuctoria greenei Plants California
753. Greenflower Indian Mallow Abutilon sandwicense Plants Hawaii
754. Greenland Shark Somniosus microcephalus Fishes Canada, Denmark, Germany, Greenland, Iceland, Maine, Massachusetts, North Carolina, Norway, Russia
755. Greensboro Burrowing Crayfish Cambarus catagius Crustaceans North Carolina
756. Ground Beetle Rhadine exilis Insects Texas
757. Ground Beetle Rhadine infernalis Insects Texas
758. Guadalupe Fur Seal Arctocephalus townsendi Mammals California, Mexico
759. Guadalupe Island Cypress Cupressus guadalupensis Plants California, Mexico
760. Guam Micronesian Kingfisher Halcyon cinnamomina cinnamomina Birds West Pacific Ocean (USA - Guam)
761. Guam Rail Rallus owstoni Birds West Pacific Ocean (USA - Guam)
762. Guam Swiftlet Collocalia bartschi Birds Guam, Hawaii, Northern Mariana Islands
763. Gulf Grouper Mycteroperca jordani Fishes California, Mexico
764. Gulf Moccasinshell Medionidus penicillatus Clams Alabama, Florida, Georgia
765. Gulf Sturgeon Acipenser oxyrinchus Fishes Canada, United States
766. Gulickia alexandri Gulickia alexandri Snails Hawaii
767. Gulper Shark Centrophorus granulosus Fishes Africa, Asia, Central America, Europe, Middle East, North America (including United States and Hawaii), South America
768. Gunnison Sage Grouse Centrocercus minimus Birds Colorado, Utah
769. Guthrie's Ground-plum Astragalus bibullatus Plants Tennessee
770. Ha'iwale Cyrtandra crenata Plants Hawaii
771. Ha'iwale Cyrtandra cyaneoides Plants Hawaii
772. Ha'iwale Cyrtandra dentata Plants Hawaii
773. Ha'iwale Cyrtandra giffardii Plants Hawaii
774. Ha'iwale Cyrtandra kaulantha Plants Hawaii
775. Ha'iwale Cyrtandra munroi Plants Hawaii
776. Ha'iwale Cyrtandra polyantha Plants Hawaii
777. Ha'iwale Cyrtandra subumbellata Plants Hawaii
778. Ha'iwale Cyrtandra tintinnabula Plants Hawaii
779. Ha'iwale Cyrtandra viridiflora Plants Hawaii
780. Ha'iwale Cyrtandra waiolani Plants Hawaii
781. Haddock Melanogrammus aeglefinus Fishes Asia, Europe, North America (including United States), Oceanic
782. Haha Cyanea aculeatiflora Plants Hawaii
783. Haha Cyanea acuminata Plants Hawaii
784. Haha Cyanea asarifolia Plants Hawaii
785. Haha Cyanea asplenifolia Plants Hawaii
786. Haha Cyanea calycina Plants Hawaii
787. Haha Cyanea copelandii Plants Hawaii
788. Haha Cyanea crispa Plants Hawaii
789. Haha Cyanea dunbariae Plants Hawaii
790. Haha Cyanea dunbarii Plants Hawaii
791. Haha Cyanea eleeleensis Plants Hawaii
792. Haha Cyanea fauriei Plants Hawaii
793. Haha Cyanea gibsonii Plants Hawaii
794. Haha Cyanea glabra Plants Hawaii
795. Haha Cyanea grimesiana Plants Hawaii
796. Haha Cyanea habenata Plants Hawaii
797. Haha Cyanea hamatiflora Plants Hawaii
798. Haha Cyanea hardyi Plants Hawaii
799. Haha Cyanea horrida Plants Hawaii
800. Haha Cyanea humboldtiana Plants Hawaii
801. Haha Cyanea koolauensis Plants Hawaii
802. Haha Cyanea leptostegia Plants Hawaii
803. Haha Cyanea lobata Plants Hawaii
804. Haha Cyanea longiflora Plants Hawaii
805. Haha Cyanea macrostegia ssp. gibsonii Plants Hawaii
806. Haha Cyanea mannii Plants Hawaii
807. Haha Cyanea mceldowneyi Plants Hawaii
808. Haha Cyanea pinnatifida Plants Hawaii
809. Haha Cyanea platyphylla Plants Hawaii
810. Haha Cyanea procera Plants Hawaii
811. Haha Cyanea remyi Plants Hawaii
812. Haha Cyanea shipmanii Plants Hawaii
813. Haha Cyanea solenocalyx Plants Hawaii
814. Haha Cyanea st-johnii Plants Hawaii
815. Haha Cyanea stictophylla Plants Hawaii
816. Haha Cyanea superba Plants Hawaii
817. Haha Cyanea tritomantha Plants Hawaii
818. Haha Cyanea truncata Plants Hawaii
819. Haha Cyanea undulata Plants Hawaii
820. Hairy Orcutt Grass Orcuttia pilosa Plants California
821. Hairy Rattleweed Baptisia arachnifera Plants Georgia
822. Hala pepe Pleomele hawaiiensis Plants Hawaii
823. Haleakala Clermontia Clermontia tuberculata Plants Hawaii
824. Halemanu's Broomspurge Chamaesyce halemanui Plants Hawaii
825. Hamakua Clermontia Clermontia pyrularia Plants Hawaii
826. Hammerhead Shark Sphyrna mokarran Fishes Africa, Asia, Australia, Central and South America, Middle East, Oceanic, United States
827. Hana Clermontia Clermontia samuelii Plants Hawaii
828. Hara's Cave Amphipod Stygobromus harai Crustaceans California
829. Diploastrea Brain Coral Diploastrea heliopora Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Europe, Africa, and the Middle East, North America (United States Territory), Oceanic
830. Harney Basin Duskysnail Colligyrus depressus Snails Oregon
831. Harpagoxenus canadensis Harpagoxenus canadensis Insects Canada, United States
832. Harper's Beauty Harperocallis flava Plants Florida
833. Harperella Ptilimnium nodosum Plants Alabama, Arkansas, Georgia, Maryland, North Carolina, South Carolina, West Virginia
834. Hartweg's Golden Sunburst Pseudobahia bahiifolia Plants California
835. Hatchie Burrowing Crayfish Fallicambarus hortoni Crustaceans Tennessee
836. Hau kuahiwi Hibiscadelphus giffardianus Plants Hawaii
837. Hau kuahiwi Hibiscadelphus hualalaiensis Plants Hawaii
838. Hau kuahiwi Hibiscadelphus woodii Plants Hawaii
839. Platanthera holochila Platanthera holochila Plants Hawaii
840. Hawaii Clermontia Clermontia hawaiiensis Plants Hawaii
841. Hawaii Creeper Oreomystis mana Birds Hawaii
842. Hawaii Jewel-orchid Anoectochilus sandvicensis Plants Hawaii
843. Hawaii Kauilatree Alphitonia ponderosa Plants Hawaii
844. Hawaii Lady's Nightcap Bonamia menziesii Plants Hawaii
845. Hawaii pilo kea Platydesma remyi Plants Hawaii
846. Hawaii Scaleseed Spermolepis hawaiiensis Plants Hawaii
847. Hawaiian Bluegrass Poa sandvicensis Plants Hawaii
848. Hawaiian Coot Fulica americana alai Birds Hawaii
849. Hawaiian Crow Corvus hawaiiensis Birds Hawaii
850. Hawaiian Dark-rumped Petrel Pterodroma phaeopygia sandwichensis Birds Hawaii
851. Hawaiian Duck Anas wyvilliana Birds Hawaii
852. Hawaiian Goose Branta sandvicensis Birds Hawaii
853. Hawaiian Grouper Epinephelus quernus Fishes Hawaii, United States Minor Outlying Islands
854. Hawaiian Hawk Buteo solitarius Birds Hawaii
855. Hawaiian Hoary Bat Lasiurus cinereus semotus Mammals Hawaii
856. Hawaiian Monk Seal  WATCH A LIVE HAWAIIAN MONK SEAL Monachus schauinslandi Mammals Hawaii
857. Hawaiian Petrel Pterodroma sandwichensis Birds French Polynesia, Hawaii, Indonesia, Japan, Philippines
858. Hawaiian Stilt Himantopus mexicanus knudseni Birds Hawaii
859. Hawaiian Tree Cotton Kokia drynarioides Plants Hawaii
860. Hawaiian Vetch Vicia menziesii Plants Hawaii
861. Hay's Spring Amphipod Stygobromus hayi Crustaceans District of Columbia
862. Serianthes nelsonii Serianthes nelsonii Plants Western Pacific Ocean (USA.- GU, MP-Rota)
863. Heart-Shaped Delissea Delissea subcordata Plants Hawaii
864. Heau Exocarpos luteolus Plants Hawaii
865. Heavy Pigtoe Pleurobema taitianum Clams Alabama, Mississippi
866. Hedrick's Robber Frog Eleutherodactylus hedricki Amphibians Puerto Rico
867. Hedyotis cookiana Hedyotis cookiana Plants Hawaii
868. Heermann's Gull Larus heermanni Birds Arizona, California, Canada, Guatemala, Mexico, Oregon, Washington
869. Hell Creek Crayfish Cambarus zophonastes Crustaceans Arkansas
870. Hellbender Cryptobranchus alleganiensis Amphibians United States
871. Helotes Mold Beetle Batrisodes venyivi Insects Texas
872. Henriettea membranifolia Henriettea membranifolia Plants Puerto Rico
873. Henslow's Sparrow Ammodramus henslowii Birds Canada, United States
874. Herbst's Sandmat Chamaesyce herbstii Plants Hawaii
875. Hermes Copper Lycaena hermes Insects California, Mexico
876. Hesperodiaptomus augustaensis Hesperodiaptomus augustaensis Crustaceans North Carolina
877. Hesperodiaptomus californiensis Hesperodiaptomus californiensis Crustaceans California
878. Hesperomannia arborescens Hesperomannia arborescens Plants Hawaii
879. Hesperomannia arbuscula Hesperomannia arbuscula Plants Hawaii
880. Hesperomannia lydgatei Hesperomannia lydgatei Plants Hawaii
881. Hibiscus arnottianus ssp. immaculatus Hibiscus arnottianus ssp. immaculatus Plants Hawaii
882. Hibiscus brackenridgei Hibiscus brackenridgei Plants Hawaii
883. Hibiscus clayi Hibiscus clayi Plants Hawaii
884. Hibiscus waimeae ssp. hannerae Hibiscus waimeae ssp. hannerae Plants Hawaii
885. Hickman's Potentilla Potentilla hickmanii Plants California
886. Hidden Pebblesnail Somatogyrus decipiens Snails Alabama
887. Hidden-petaled Abutilon Abutilon eremitopetalum Plants Hawaii
888. Higgins Eye Pearlymussel Lampsilis higginsii Clams Illinois, Iowa, Minnesota, Montana, Nebraska, Wisconsin
889. Highfin Coral Grouper Plectropomus oligacanthus Fishes Australia, Brunei Darussalam, Federated States of Micronesia, Indonesia, Malaysia, Marshall Islands, Palau, Papua New Guinea, Philippines, Solomon Islands, Timor-Leste
890. Higuero de sierra Crescentia portoricensis Plants Puerto Rico
891. Hillside Clermontia Clermontia lindseyana Plants Hawaii
892. Hilo Ischaemum Ischaemum byrone Plants Hawaii
893. Hine's Emerald Dragonfly Somatochlora hineana Insects Illinois, Indiana, Ohio, Wisconsin
894. Hispaniolan Amazon Amazona ventralis Birds Dominican Republic, Puerto Rico, Virgin Islands (British and US)
895. Hiwassee Crayfish Cambarus hiwasseensis Crustaceans Georgia, North Carolina, Tennessee
896. Hiwassee Headwater Crayfish Cambarus parrishi Crustaceans Georgia, North Carolina
897. Hobb's Cave Amphipod Crangonyx hobbsi Crustaceans Florida
898. Hobbseus cristatus Hobbseus cristatus Crustaceans Mississippi
899. Hodges' Clubtail Gomphus hodgesi Insects Alabama, Florida, Louisiana, Mississippi
900. Hoffmann's Rock-cress Arabis hoffmannii Plants California
901. Hogfish Lachnolaimus maximus Fishes Central America, North America (including United States), Oceanic, South America
902. Holly Ilex cookii Plants Puerto Rico
903. Holly Ilex sintenisii Plants Puerto Rico
904. Holmgren Milk-vetch Astragalus holmgreniorum Plants Arizona, Utah
905. Holy Ghost Ipomopsis Ipomopsis sancti-spiritus Plants New Mexico
906. Holywood Lignum Vitae Guaiacum sanctum Plants Central and South America, Florida, Mexico, Puerto Rico
907. Honohono Haplostachys haplostachya Plants Hawaii
908. Hood Ancylid Ferrissia mcneili Snails Alabama, Florida
909. Houston Toad Bufo houstonensis Amphibians Texas
910. Howarth's Cave Cricket Caconemobius howarthi Insects Hawaii
911. Howell's Spineflower Chorizanthe howellii Plants California
912. Huachuca Springsnail Pyrgulopsis thompsoni Snails Arizona
913. Huachuca Water-umbel Lilaeopsis schaffneriana var. recurva Plants Arizona, Mexico
914. Hualapai Mexican Vole Microtus mexicanus hualpaiensis Mammals Arizona
915. Humpback Chub Gila cypha Fishes Arizona, Colorado, Utah, Wyoming
916. Hungerford's Crawling Water Beetle Brychius hungerfordi Insects Canada, Michigan
917. Hydnophora Coral Hydnophora exesa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America, Oceanic
918. Hydnophora Coral Hydnophora microconos Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
919. St. John's-wort Hypericum cumulicola Plants Florida
920. Ichetucknee Siltsnail Cincinnatia mica Snails Florida
921. Idaho Ground Squirrel Spermophilus brunneus Mammals Idaho
922. Idaho Point-headed Grasshopper Acrolophitus pulchellus Insects Idaho
923. Idaho Springsnail Pyrgulopsis idahoensis Snails Idaho
924. Ihi'ihi Marsilea villosa Plants Hawaii
925. Iiwi Vestiaria coccinea Birds Hawaii
926. Illinois Cave Amphipod Gammarus acherondytes Crustaceans Illinois
927. Indian Knob Mountain Balm Eriodictyon altissimum Plants California
928. Indiana Bat Myotis sodalis Mammals Eastern and Midwestern USA
929. Interior Robber Frog Eleutherodactylus locustus Amphibians Puerto Rico
930. Inyo Mountains Salamander Batrachoseps campi Amphibians California
931. Ione Buckwheat Eriogonum apricum Plants California
932. Iowa Pleistocene Snail Discus macclintocki Snails Illinois, Iowa
933. Ischnura gemina Ischnura gemina Insects California
934. Island Fox Urocyon littoralis Mammals California
935. Island Malacothrix Malacothrix squalida Plants California
936. Island Phacelia Phacelia insularis ssp. insularis Plants California
937. Island Scrub-jay Aphelocoma insularis Birds California
938. Isopora crateriformis Isopora crateriformis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Oceanic
939. Isopora cuneata Isopora cuneata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
940. Isopora palifera Isopora palifera Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
941. Ivory Gull Pagophila eburnea Birds Asia, Europe, North America (including United States), Oceanic
942. Ivory-billed Woodpecker Campephilus principalis Birds Cuba, USA (southcentral and southeastern)
943. Jack Bean Canavalia pubescens Plants Hawaii
944. Jackson Prarie Crayfish Procambarus barbiger Crustaceans Mississippi
945. Jaguar  WATCH A LIVE JAGUAR Panthera onca Mammals Arizona, California, Central and South America, Louisiana, Mexico, New Mexico, Texas
946. Jaguarundi Herpailurus yagouaroundi Mammals Arizona, Costa Rica, Mexico, Nicaragua, Panama, Texas
947. Jamaican Broom Chamaecrista glandulosa var. mirabilis Plants Puerto Rico
948. James Spinymussel Pleurobema collina Clams Virginia, West Virginia
949. Japanese Devilray Mobula japanica Fishes Africa, Asia, Australia, Central America, Hawaii, Middle East, North America, Oceanic, South America
950. Jay's River Snail Lithasia jayana Snails Tennessee
951. Jemez Mountains Salamander Plethodon neomexicanus Amphibians New Mexico
952. Jesup's Milk-vetch Astragalus robbinsii var. jesupi Plants New Hampshire, Vermont
953. Johnston's Frankenia Frankenia johnstonii Plants Mexico (Nuevo Leon), Texas
954. Jollyville Plateau Salamander Eurycea tonkawae Amphibians Texas
955. Juan Fernandez Petrel Pterodroma externa Birds Australia, Chile, French Polynesia, Guam, Japan, Mexico, New Zealand, United States
956. Junaluska Salamander Eurycea junaluska Amphibians North Carolina, Tennessee
957. June Sucker Chasmistes liorus Fishes Utah
958. Kalalau Valley Remya Remya montgomeryi Plants Hawaii
959. Kalalau Valley Stenogyne Stenogyne campanulata Plants Hawaii
960. Kalealaha Beggarticks Bidens micrantha ssp. kalealaha Plants Hawaii
961. Kamakahala Labordia cyrtandrae Plants Hawaii
962. Kamakahala Labordia kaalae Plants Hawaii
963. Kamakahala Labordia lydgatei Plants Hawaii
964. Kamakahala Labordia tinifolia Plants Hawaii
965. Kamakahala Labordia triflora Plants Hawaii
966. Kamanomano Cenchrus agrimonioides Plants Hawaii
967. Kanab Amber Snail Oxyloma kanabense Snails Arizona, Canada, Utah
968. Kanab Ambersnail Oxyloma haydeni kanabensis Snails Arizona, Utah
969. Kanawha Minnow Phenacobius teretulus Fishes North Carolina, Virginia, West Virginia
970. Kangaroo Rat Dipodomys nitratoides Mammals California
971. Kansas Aschisma Moss Aschisma kansanum Plants Kansas
972. Karl's Robber Frog Eleutherodactylus karlschmidti Amphibians Puerto Rico
973. Karner Blue Butterfly  WATCH A LIVE KARNER BLUE BUTTERFLY Lycaeides melissa samuelis Insects Canada (Ontario), Illinois, Indiana, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Wisconsin
974. Kauai 'O'o Moho braccatus Birds Hawaii
975. Kauai Akialoa Hemignathus procerus Birds Hawaii
976. Kauai Amakihi Hemignathus kauaiensis Birds Hawaii
977. Kauai Bluegrass Poa siphonoglossa Plants Hawaii
978. Kauai Cave Amphipod Spelaeorchestia koloana Crustaceans Hawaii
979. Kauai Cave Wolf Spider Adelocosa anops Arachnids Hawaii
980. Kauai Delissea Delissea rhytidosperma Plants Hawaii
981. Hau kuahiwi Hibiscadelphus distans Plants Hawaii
982. Kauai Koki'o Kokia kauaiensis Plants Hawaii
983. Kauai Pa'iniu Astelia waialealae Plants Hawaii
984. Kauai Remya Remya kauaiensis Plants Hawaii
985. Kauai Thin-footed Bush Cricket Thaumatogryllus variegatus Insects Hawaii
986. Kauila Colubrina oppositifolia Plants Hawaii
987. Kaulu Pteralyxia kauaiensis Plants Hawaii
988. Kaumana Cave Cricket Caconemobius varius Insects Hawaii
989. Kearney's Blue-star Amsonia kearneyana Plants Arizona
990. Keck's Checker-mallow Sidalcea keckii Plants California
991. Keeled Sideband Monadenia circumcarinata Snails California
992. Kelso Giant Sand Treader Cricket Macrobaenetes kelsoensis Insects California
993. Kelso Jerusalem Cricket Ammopelmatus kelsoensis Insects California
994. Kentucky Cave Shrimp Palaemonias ganteri Crustaceans Kentucky
995. Kern Canyon Slender Salamander Batrachoseps simatus Amphibians California
996. Kern Mallow Eremalche kernensis Plants California
997. Kern Plateau Salamander Batrachoseps robustus Amphibians California
998. Kern Shoulderband Helminthoglypta callistoderma Snails California
999. Key Largo Cotton Mouse Peromyscus gossypinus allapaticola Mammals Florida
1000. Key Largo Woodrat Neotoma floridana smalli Mammals Florida
1001. Keys Scaly Cricket Cycloptilum irregularis Insects Florida
1002. Keys Short-winged Conehead Katydid Belocephalus sleighti Insects Florida
1003. Killer Whale  WATCH A LIVE KILLER WHALE Orcinus orca Mammals Southern Resident DPS (Canada, USA - WA)
1004. Kings River Slender Salamander Batrachoseps regius Amphibians California
1005. Kio'ele Hedyotis coriacea Plants Hawaii
1006. Kirtland's Snake Clonophis kirtlandii Reptiles Illinois, Indiana, Kentucky, Michigan, Ohio
1007. Kirtland's Wood Warbler Dendroica kirtlandii Birds Bahamas, Bermuda - North Atlantic Ocean, Canada, Michigan, South Carolina, Turks and Caicos Islands, Wisconsin
1008. Kittlitz's Murrelet Brachyramphus brevirostris Birds Canada, Japan, Russia, United States
1009. Kiyi Coregonus kiyi Fishes Canada, United States
1010. Kneeland Prairie Penny-cress Thlaspi californicum Plants California
1011. Knob Coral Favia helianthoides Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1012. Knob Coral Favia lizardensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1013. Knob Coral Favia maritima Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1014. Knob Coral Favia matthaii Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1015. Knob Coral Favia rotundata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1016. Knob Coral Favia stelligera Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1017. Knob Coral Favia veroni Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1018. Knob Mudalia Leptoxis minor Snails Alabama
1019. Knotty Elimia Elimia interrupta Snails Tennessee
1020. Knowlton Cactus Pediocactus knowltonii Plants Colorado, New Mexico
1021. Viper Beggarticks Bidens campylotheca Plants Hawaii
1022. Ko'oloa'ula Abutilon menziesii Plants Hawaii
1023. Kodachrome Bladderpod Lesquerella tumulosa Plants Utah
1024. Kohala Mountain Clermontia Clermontia drepanomorpha Plants Hawaii
1025. Kohe malama malama o kanaloa Kanaloa kahoolawensis Plants Hawaii
1026. Koko'olau Bidens amplectens Plants Hawaii
1027. Kokomalei Chamaesyce kuwaleana Plants Hawaii
1028. Koolau Range Sandmat Chamaesyce rockii Plants Hawaii
1029. Kopa Hedyotis schlechtendahliana var. remyi Plants Hawaii
1030. Kosrae Flying Fox Pteropus ualanus Mammals Federated States of Micronesia
1031. Koster's Springsnail Juturnia kosteri Snails New Mexico
1032. Kretschmarr Cave Mold Beetle Texamaurops reddelli Insects Texas
1033. Kuahiwi laukahi Plantago hawaiensis Plants Hawaii
1034. Kuahiwi laukahi Plantago princeps Plants Hawaii
1035. Kuawawaenohu Alsinidendron lychnoides Plants Hawaii
1036. Kuenzler Hedgehog Cactus Echinocereus fendleri var. kuenzleri Plants New Mexico
1037. Kula Wahine Noho Isodendrion pyrifolium Plants Hawaii
1038. Kulu'i Nototrichium humile Plants Hawaii
1039. La Graciosa Thistle Cirsium loncholepis Plants California
1040. Lacy Elimia Elimia crenatella Snails Alabama
1041. Lagniappe Crayfish Procambarus lagniappe Crustaceans Alabama, Mississippi
1042. Laguna Mountains Skipper Pyrgus ruralis lagunae Insects California
1043. Lake County Stonecrop Parvisedum leiocarpum Plants California
1044. Lake Placid Funnel Wolf Spider Sosippus placidus Arachnids Florida
1045. Lakela's Mint Dicerandra immaculata Plants Florida
1046. Lamarck's Sheet Coral Agaricia lamarcki Corals, Jellyfish, and Sea Anemones Central and South America, Europe, North America (including United States)
1047. Laminella sanguinea Laminella sanguinea Snails Hawaii
1048. Lanai Hala Pepe Pleomele fernaldii Plants Hawaii
1049. Lanai Sandalwood Santalum freycinetianum var. lanaiense Plants Hawaii
1050. Lanai Sawsedge Gahnia lanaiensis Plants Hawaii
1051. Lane Mountain Milk-vetch Astragalus jaegerianus Plants California
1052. Lange's Metalmark Butterfly Apodemia mormo langei Insects California
1053. Larch Mountain Salamander Plethodon larselli Amphibians Oregon, Washington
1054. Large Ivory Coral Oculina varicosa Corals, Jellyfish, and Sea Anemones Central America, North America (including United States), Oceanic, South America
1055. Large Kauai Thrush Myadestes myadestinus Birds Hawaii
1056. Large-flowered Fiddleneck Amsinckia grandiflora Plants California
1057. Large-fruited Sand-verbena Abronia macrocarpa Plants Texas
1058. Largetooth Sawfish Pristis perotteti Fishes Africa, Central and South America, Europe, Mexico, United States
1059. Laricis Tree Cricket Oecanthus laricis Insects Michigan, Ohio
1060. Lava Clermontia Clermontia calophylla Plants Hawaii
1061. Lava Rock Mountain Snail Oreohelix waltoni Snails Idaho
1062. Lavaslope False Lobelia Trematolobelia singularis Plants Hawaii
1063. Laysan Albatross Phoebastria immutabilis Birds Alaska, Australia (Norfolk Island), California, Canada, Federated States of Micronesia, Hawaii, Marshall Islands, Mexico, New Zealand, Northern Mariana Islands, Oregon, Washington
1064. Laysan Duck Anas laysanensis Birds Hawaii
1065. Laysan Finch Telespyza cantans Birds Hawaii
1066. Dalea foliosa Dalea foliosa Plants Alabama, Illinois, Tennessee
1067. Least Chub Iotichthys phlegethontis Fishes Utah
1068. Least Crayfish Cambarellus diminutus Crustaceans Alabama, Mississippi
1069. Least Tern Sterna antillarum Birds Bahamas, Central America (winters), Greater and Lesser Antilles, Mexico, Northern South America, USA (California, including the Miss. R. Basin), Atlantic Gulf Coasts
1070. Lee County Cave Isopod Lirceus usdagalun Crustaceans Virginia
1071. Leechleaf Delissea Delissea undulata Plants Hawaii
1072. Leon Springs Pupfish Cyprinodon bovinus Fishes Texas
1073. Leopard Darter Percina pantherina Fishes Arkansas, Oklahoma
1074. Leptachatina lepida Leptachatina lepida Snails Hawaii
1075. Leptoseris incrustans Leptoseris incrustans Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1076. Leptoseris yabei Leptoseris yabei Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1077. Leptothorax duloticus Leptothorax duloticus Insects United States
1078. Leptothorax minutissimus Leptothorax minutissimus Insects United States
1079. Leptoxis ampla Leptoxis ampla Snails Alabama
1080. Lesser Long-nosed Bat Leptonycteris curasoae yerbabuenae Mammals Arizona, El Salvador, Guatemala, Honduras, Mexico, New Mexico
1081. Lesser Prairie-chicken Tympanuchus pallidicinctus Birds Colorado, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, Texas
1082. Lesser White-fronted Goose Anser erythropus Birds Asia, Europe, Middle East, North America (United States Territory)
1083. Lidflower Calyptranthes kiaerskovii Plants British Virgin Islands, Puerto Rico
1084. Lidflower Calyptranthes luquillensis Plants Puerto Rico
1085. Lidflower Calyptranthes portoricensis Plants Puerto Rico
1086. Lidflower Calyptranthes thomasiana Plants British Virgin Islands, Puerto Rico, Virgin Islands
1087. Liliwai Acaena exigua Plants Hawaii
1088. Lily Shoals Elimia Elimia annettae Snails Alabama
1089. Limestone Salamander Hydromantes brunus Amphibians California
1090. Lined Seahorse Hippocampus erectus Fishes Central America, North America (including United States), Oceanic, South America
1091. Little Aguja Creek Pondweed Potamogeton clystocarpus Plants Texas
1092. Little Colorado Spinedace Lepidomeda vittata Fishes Arizona
1093. Little Mariana Fruit Bat Pteropus tokudae Mammals West Pacific Ocean (USA - Guam)
1094. Little Tennessee Crayfish Cambarus georgiae Crustaceans Georgia, North Carolina
1095. Little White Whiptail Aspidoscelis gypsi Reptiles New Mexico
1096. Littlewing Pearlymussel Pegias fabula Clams Alabama, Kentucky, North Carolina, Tennessee, Virginia
1097. Liver-oil Shark Galeorhinus galeus Fishes Africa, Asia, Australia, Europe, Middle East, North America (including United States and Hawaii), South America
1098. Lo'ulu Pritchardia affinis Plants Hawaii
1099. Lo'ulu Pritchardia aylmer-robinsonii Plants Hawaii
1100. Lo'ulu Pritchardia forbesiana Plants Hawaii
1101. Lo'ulu Pritchardia glabrata Plants Hawaii
1102. Lo'ulu Pritchardia hardyi Plants Hawaii
1103. Lo'ulu Pritchardia kaalae Plants Hawaii
1104. Lo'ulu Pritchardia lanaiensis Plants Hawaii
1105. Lo'ulu Pritchardia lanigera Plants Hawaii
1106. Lo'ulu Pritchardia limahuliensis Plants Hawaii
1107. Lo'ulu Pritchardia munroi Plants Hawaii
1108. Lo'ulu Pritchardia napaliensis Plants Hawaii
1109. Lo'ulu Pritchardia perlmanii Plants Hawaii
1110. Lo'ulu Pritchardia remota Plants Hawaii
1111. Lo'ulu Pritchardia schattaueri Plants Hawaii
1112. Lo'ulu Pritchardia viscosa Plants Hawaii
1113. Loach Minnow Tiaroga cobitis Fishes Arizona, New Mexico
1114. Lobelia gaudichaudii ssp. koolauensis Lobelia gaudichaudii ssp. koolauensis Plants Hawaii
1115. Lobelia monostachya Lobelia monostachya Plants Hawaii
1116. Lobelia niihauensis Lobelia niihauensis Plants Hawaii
1117. Lobelia oahuensis Lobelia oahuensis Plants Hawaii
1118. Lobophyllia diminuta Lobophyllia diminuta Corals, Jellyfish, and Sea Anemones Asia, Australia, Europe, North America (United States Territory), Oceanic
1119. Lobophyllia pachysepta Lobophyllia pachysepta Corals, Jellyfish, and Sea Anemones Asia, Australia, Europe, North America (United States Territory), Oceanic
1120. Loch Lomond Coyote Thistle Eryngium constancei Plants California
1121. Loggerhead Sea Turtle Caretta caretta Reptiles Australia, Central and South America, Europe, Africa, Asia, and North America, Middle East, Oceanic
1122. Logwood Xylosma crenatum Plants Hawaii
1123. Logwood Xylosma pachyphyllum Plants Puerto Rico
1124. Lompoc Grasshopper Trimerotropis occulens Insects California
1125. Lompoc Yerba Santa Eriodictyon capitatum Plants California
1126. Long-legged Cave Amphipod Stygobromus longipes Crustaceans Texas
1127. Longfin Mako Isurus paucus Fishes Africa, Asia, Australia, Central America, Europe, North America (including United States and Hawaii), Oceanic, South America
1128. Longhorn Fairy Shrimp Branchinecta longiantenna Crustaceans California
1129. Longspurred Mint Dicerandra cornutissima Plants Florida
1130. Lonoke Crayfish Procambarus ferrugineus Crustaceans Arkansas
1131. Lost River Sucker Deltistes luxatus Fishes California, Oregon
1132. Lotis Blue Butterfly Lycaeides argyrognomon lotis Insects California
1133. Louisiana Pearl Shell Margaritifera hembeli Clams Louisiana
1134. Louisiana Pine Snake Pituophis ruthveni Reptiles Louisiana, Texas
1135. Lower Keys Marsh Rabbit Sylvilagus palustris hefneri Mammals Florida
1136. Luquillo Mountain Babyboot Orchid Lepanthes eltoroensis Plants Puerto Rico
1137. Lyon's Pentachaeta Pentachaeta lyonii Plants California
1138. Lyonia truncata var. proctorii Lyonia truncata var. proctorii Plants Puerto Rico
1139. Alfilerillo Machaonia woodburyana Plants Virgin Islands (British and US)
1140. Mackenzie's Cave Amphipod Stygobromus mackenziei Crustaceans California
1141. Macromia margarita Macromia margarita Insects United States
1142. Madison Cave Isopod Antrolana lira Crustaceans Virginia, West Virginia
1143. Madla's Cave Meshweaver Cicurina madla Arachnids Texas
1144. Magazine Mountain Middle-toothed Snail Inflectarius magazinensis Snails Arkansas
1145. Magnificent Ramshorn Planorbella magnifica Snails North Carolina
1146. Mahoe Alectryon macrococcus Plants Hawaii
1147. Maiden Fern Thelypteris inabonensis Plants Puerto Rico
1148. Maiden Fern Thelypteris verecunda Plants Puerto Rico
1149. Maiden Fern Thelypteris yaucoensis Plants Puerto Rico
1150. Mainstream River Snail Leptoxis praerosa Snails Alabama, Illinois, Kentucky, Ohio, Tennessee, Virginia
1151. Makua Daisy Tetramolopium filiforme Plants Hawaii
1152. Malabar Grouper Epinephelus malabaricus Fishes Africa, American Samoa, Asia, Australia, Middle East, Oceanic
1153. Malheur Cave Amphipod Stygobromus hubbsi Crustaceans Oregon
1154. Malheur Wire-lettuce Stephanomeria malheurensis Plants Oregon
1155. Mancos Milk-vetch Astragalus humillimus Plants Colorado, New Mexico
1156. Manica parasitica Manica parasitica Insects California
1157. Mann's Bluegrass Poa mannii Plants Hawaii
1158. Many-flowered Navarretia Navarretia leucocephala ssp. plieantha Plants California
1159. Mao Gymnomyza samoensis Birds American Samoa, Samoa
1160. Marbled Disc Discus marmorensis Snails Idaho, Iowa
1161. Marbled Murrelet Brachyramphus marmoratus Birds Canada, Mexico, United States
1162. Mariana Crow Corvus kubaryi Birds Washington, Western Pacific Ocean (USA - Guam, Rota)
1163. Mariana Fruit-dove Ptilinopus roseicapilla Birds Guam, Northern Mariana Islands
1164. Mariana Gray Swiftlet Aerodramus vanikorensis bartschi Birds Western Pacific USA (Guam, Rota, Tinian, Saipan, Agiguan)
1165. Marianas Flying Fox Pteropus mariannus Mammals Federated States of Micronesia, Guam, Northern Mariana Islands
1166. Mariscus fauriei Mariscus fauriei Plants Hawaii
1167. Mariscus pennatiformis Mariscus pennatiformis Plants Hawaii
1168. Maryland Darter Etheostoma sellare Fishes Maryland
1169. Maui Alauahio Paroreomyza montana Birds Hawaii
1170. Maui Chaff Flower Achyranthes splendens Plants Hawaii
1171. Maui Parrotbill Pseudonestor xanthophrys Birds Hawaii
1172. Maui Remya Remya mauiensis Plants Hawaii
1173. Maui Tetramolopium Tetramolopium arenarium Plants Hawaii
1174. Maui Yellow Loosestrife Lysimachia lydgatei Plants Hawaii
1175. Mauna Loa Silversword Argyroxiphium kauense Plants Hawaii
1176. Maxwell's Girdlepod Mitracarpus maxwelliae Plants Puerto Rico
1177. Maytenus cymosa Maytenus cymosa Plants Puerto Rico, Virgin Islands (British and US)
1178. McDonald's Rock-cress Arabis mcdonaldiana Plants California
1179. Mckay's Bunting Plectrophenax hyperboreus Birds Canada, Oregon, Washington
1180. Melicope adscendens Melicope adscendens Plants Hawaii
1181. Melicope balloui Melicope balloui Plants Hawaii
1182. Melicope christophersenii Melicope christophersenii Plants Hawaii
1183. Melicope cinerea Melicope cinerea Plants Hawaii
1184. Melicope haupuensis Melicope haupuensis Plants Hawaii
1185. Melicope knudsenii Melicope knudsenii Plants Hawaii
1186. Melicope lydgatei Melicope lydgatei Plants Hawaii
1187. Melicope macropus Melicope macropus Plants Hawaii
1188. Melicope makahae Melicope makahae Plants Hawaii
1189. Melicope mucronulata Melicope mucronulata Plants Hawaii
1190. Melicope munroi Melicope munroi Plants Hawaii
1191. Melicope orbicularis Melicope orbicularis Plants Hawaii
1192. Melicope ovalis Melicope ovalis Plants Hawaii
1193. Melicope pallida Melicope pallida Plants Hawaii
1194. Melicope puberula Melicope puberula Plants Hawaii
1195. Melicope quadrangularis Melicope quadrangularis Plants Hawaii
1196. Melicope reflexa Melicope reflexa Plants Hawaii
1197. Melicope saint-johnii Melicope saint-johnii Plants Hawaii
1198. Melicope sandwicensis Melicope sandwicensis Plants Hawaii
1199. Melicope waialealae Melicope waialealae Plants Hawaii
1200. Melicope zahlbruckneri Melicope zahlbruckneri Plants Hawaii
1201. Melones Cave Harvestman Banksula melones Arachnids California
1202. Menzies' Wallflower Erysimum menziesii Plants California
1203. Mesa Shoulderband Helminthoglypta coelata Snails California
1204. Metcalf Canyon Jewelflower Streptanthus albidus ssp. albidus Plants California
1205. Mexican Flannelbush Fremontodendron mexicanum Plants California, Mexico
1206. Mexican Long-nosed Bat Leptonycteris nivalis Mammals Central America, Mexico, New Mexico, Texas
1207. Mexican Long-tongued Bat Choeronycteris mexicana Mammals Arizona, California, El Salvador, Guatemala, Honduras, Mexico, Nevada, New Mexico, Texas
1208. Miami Cave Crayfish Procambarus milleri Crustaceans Florida
1209. Rhus michauxii Rhus michauxii Plants Georgia, North Carolina, South Carolina, Virginia
1210. Michigan Bog Grasshopper Appalachia arcana Insects Michigan
1211. Michigan Monkey-flower Mimulus glabratus var. michiganensis Plants Michigan
1212. Micromussa-Super Red Micromussa amakusensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1213. Micronesian Imperial-pigeon Ducula oceanica Birds Federated States of Micronesia, Marshall Islands, Palau
1214. Micronesian Megapode Megapodius laperouse Birds USA (Mariana Islands), West Pacific Ocean (Palau Islands)
1215. Middlekauf's Shieldback Katydid Idiostatus middlekaufi Insects California
1216. Milkwort Polygala lewtonii Plants Florida
1217. Milkwort Polygala smallii Plants Florida
1218. Millepora foveolata Millepora foveolata Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
1219. Millepora murrayi Millepora murrayi Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
1220. Mimic Cavesnail Phreatodrobia imitata Snails Texas
1221. Minnesota Dwarf Trout Lily Erythronium propullans Plants Minnesota
1222. Minor Red Bat Lasiurus minor Mammals Bahamas, Dominican Republic, Haiti, Puerto Rico
1223. Minute Cave Amphipod Stygobromus parvus Crustaceans West Virginia
1224. Mission Creek Oregonian Cryptomastix magnidentata Snails Idaho
1225. Mississippi Flatwoods Crayfish Procambarus cometes Crustaceans Mississippi
1226. Mitchell's Satyr Butterfly Neonympha mitchellii Insects Indiana, Michigan, New Jersey, North Carolina, Ohio
1227. Moapa Dace Moapa coriacea Fishes Nevada
1228. Moapa Pebblesnail Pyrgulopsis avernalis Snails Nevada
1229. Modoc Sucker Catostomus microps Fishes California
1230. Mohave Ground Squirrel Xerospermophilus mohavensis Mammals United States (California)
1231. Mohave Tui Chub Gila bicolor mohavensis Fishes California
1232. Molokai Creeper Paroreomyza flammea Birds Hawaii
1233. Molokai Damselfly Megalagrion molokaiense Insects Hawaii
1234. Molokai Jack-bean Canavalia molokaiensis Plants Hawaii
1235. Molokai Thrush Myadestes lanaiensis rutha Birds Hawaii
1236. Mona Blind Snake Typhlops monensis Reptiles Puerto Rico
1237. Mona Cave Shrimp Typhlatya monae Crustaceans Puerto Rico
1238. Mona Coqui Eleutherodactylus monensis Amphibians Puerto Rico
1239. Monito Gecko Sphaerodactylus micropithecus Reptiles Puerto Rico
1240. Monomorium pergandei Monomorium pergandei Insects United States
1241. Monomorium talbotae Monomorium talbotae Insects United States
1242. Montastraea annularis Montastraea annularis Corals, Jellyfish, and Sea Anemones Central America, North America (including United States Territory), South America
1243. Montastraea faveolata Montastraea faveolata Corals, Jellyfish, and Sea Anemones Central America, North America (including United States Territory), South America
1244. Montastraea franksi Montastraea franksi Corals, Jellyfish, and Sea Anemones Central America, North America (including United States Territory), Oceanic, South America
1245. Montastrea annuligera Montastrea annuligera Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1246. Montastrea colemani Montastrea colemani Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Oceanic
1247. Montastrea magnistellata Montastrea magnistellata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1248. Montastrea multipunctata Montastrea multipunctata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
1249. Montastrea valenciennesi Montastrea valenciennesi Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1250. Monte Guilarte Hollyfern Polystichum calderonense Plants Puerto Rico
1251. Monterey Clover Trifolium trichocalyx Plants California
1252. Monterey Cypress Cupressus macrocarpa Plants California
1253. Montipora altasepta Montipora altasepta Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic
1254. Montipora angulata Montipora angulata Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Central America, North America (Hawaii/US Territory), Oceanic
1255. Montipora australiensis Montipora australiensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Oceanic, South America
1256. Montipora calcarea Montipora calcarea Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1257. Montipora caliculata Montipora caliculata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1258. Montipora capitata Montipora capitata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic
1259. Montipora capricornis Montipora capricornis Corals, Jellyfish, and Sea Anemones Asia, Australia, Central America, North America (Hawaii/US Territory), Oceanic
1260. Montipora cebuensis Montipora cebuensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic
1261. Montipora corbettensis Montipora corbettensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, North America (Hawaii/US Territory), Oceanic
1262. Montipora crassituberculata Montipora crassituberculata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1263. Montipora dilatata Montipora dilatata Corals, Jellyfish, and Sea Anemones North America (Hawaii/US Territory)
1264. Montipora efflorescens Montipora efflorescens Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1265. Montipora effusa Montipora effusa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Oceanic
1266. Montipora flabellata Montipora flabellata Corals, Jellyfish, and Sea Anemones North America (Hawaii/US Territory)
1267. Montipora foliosa Montipora foliosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1268. Montipora foveolata Montipora foveolata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1269. Montipora incrassata Montipora incrassata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, North America, Oceanic, South America
1270. Montipora lobulata Montipora lobulata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic
1271. Montipora nodosa Montipora nodosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic, South America
1272. Montipora patula Montipora patula Corals, Jellyfish, and Sea Anemones North America (Hawaii/US Territory)
1273. Montipora peltiformis Montipora peltiformis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1274. Montipora samarensis Montipora samarensis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic
1275. Montipora undata Montipora undata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (Hawaii/US Territory), Oceanic
1276. Montipora venosa Montipora venosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1277. Moom Pebblesnail Somatogyrus obtusus Snails Alabama
1278. Moon Coral Favites abdita Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1279. Moon Coral Favites bestae Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, North America (United States Territory), Oceanic
1280. Moon Coral Favites chinensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1281. Moon Coral Favites complanata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1282. Moon Coral Favites flexuosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1283. Moon Coral Favites halicora Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1284. Moon Coral Favites russelli Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1285. Morefield's Leather Flower Clematis morefieldii Plants Alabama
1286. Morrison's Cave Amphipod Stygobromus morrisoni Crustaceans Virginia, West Virginia
1287. Morro Bay Kangaroo Rat Dipodomys heermanni morroensis Mammals California
1288. Morro Shoulderband Snail Helminthoglypta walkeriana Snails California
1289. Mottled Petrel Pterodroma inexpectata Birds Alaska, Antarctica, Australia, Ecuador, Japan, Marshall Islands, New Zealand
1290. Mount Graham Red Squirrel Tamiasciurus hudsonicus grahamensis Mammals Arizona
1291. Mount St. Helens' Grylloblattid Grylloblatta chirurgica Insects United States
1292. Mountain Blackside Dace Phoxinus cumberlandensis Fishes Kentucky, Tennessee, Virginia
1293. Mountain Cave Amphipod Stygobromus montanus Crustaceans Arkansas
1294. Mountain Plover Charadrius montanus Birds Canada, Mexico, United States
1295. Mountain Sweet Pitcher-plant Sarracenia rubra ssp. jonesii Plants North Carolina, South Carolina
1296. Mountain Yellow-legged Frog Rana muscosa Amphibians USA - Southern California DPS
1297. Mt. Hermon June Beetle Polyphylla barbata Insects California
1298. Muckalee Crayfish Procambarus gibbus Crustaceans Georgia
1299. Mud Elimia Pleurocera alabamensis Snails Alabama
1300. Muddy Rocksnail Lithasia salebrosa Snails Alabama, Kentucky, Tennessee
1301. Munz's Onion Allium munzii Plants California
1302. Mutton Snapper Lutjanus analis Fishes Central America, North America (including United States), Oceanic, South America
1303. Myrcia paganii Myrcia paganii Plants Puerto Rico
1304. Myrmica colax Myrmica colax Insects United States
1305. Myrsine juddii Myrsine juddii Plants Hawaii
1306. Myrsine knudsenii Myrsine knudsenii Plants Hawaii
1307. Myrsine mezii Myrsine mezii Plants Hawaii
1308. Myrsine petiolata Myrsine petiolata Plants Hawaii
1309. Na Pali Beach Hedyotis Hedyotis st. johnii Plants Hawaii
1310. Na Pali Sandmat Chamaesyce eleanoriae Plants Hawaii
1311. Dubautia herbstobatae Dubautia herbstobatae Plants Hawaii
1312. Dubautia latifolia Dubautia latifolia Plants Hawaii
1313. Dubautia pauciflorula Dubautia pauciflorula Plants Hawaii
1314. Dubautia plantaginea ssp. humilis Dubautia plantaginea ssp. humilis Plants Hawaii
1315. Naegele Springsnail Pyrgulopsis metcalfi Snails Texas
1316. Napa Bluegrass Poa napensis Plants California
1317. Narrow Pigtoe Fusconaia escambia Clams United States
1318. Narrowleaf Stenogyne Stenogyne angustifolia var. angustifolia Plants Hawaii
1319. Narwhal Monodon monoceros Mammals Alaska, Canada, Germany, Greenland, Iceland, Netherlands (Europe), Norway, Russia, Svalbard and Jan Mayen, United Kingdom
1320. Nassau Grouper Epinephelus striatus Fishes Central and South America, United States (Florida, Minor Outlying Islands)
1321. Navajo Jerusalem Cricket Stenopelmatus navajo Insects Arizona
1322. Navasota Ladies'-tresses Spiranthes parksii Plants Texas
1323. Neches Crayfish Procambarus nechesae Crustaceans Texas
1324. Nectandra krugii Nectandra krugii Plants Antigua, Barbuda, Dominican Republic, Netherlands Antilles, Puerto Rico, West Indies
1325. Needle Dogfish Centrophorus acus Fishes China, French Guiana, Japan, Philippines, Taiwan, United States
1326. Nehe Lipochaeta fauriei Plants Hawaii
1327. Nehe Lipochaeta kamolensis Plants Hawaii
1328. Nehe Lipochaeta lobata var. leptophylla Plants Hawaii
1329. Nehe Lipochaeta micrantha Plants Hawaii
1330. Nehe Lipochaeta tenuifolia Plants Hawaii
1331. Nehe Lipochaeta venosa Plants Hawaii
1332. Nehe Lipochaeta waimeaensis Plants Hawaii
1333. Nelson's Antelope Squirrel Ammospermophilus nelsoni Mammals California
1334. Neoplanorbis tantillus Neoplanorbis tantillus Snails Alabama
1335. Neosho Mucket Lampsilis rafinesqueana Clams Arkansas, Kansas, Missouri, Oklahoma
1336. Nesogenes rotensis Nesogenes rotensis Plants Northern Mariana Islands
1337. Neuse River Waterdog Necturus lewisi Amphibians North Carolina
1338. Nevada Pupfish Cyprinodon nevadensis Fishes Nevada
1339. New England Cottontail Sylvilagus transitionalis Mammals Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont
1340. New Mexico Hotspring Snail Pyrgulopsis thermalis Snails New Mexico
1341. Newcomb's Snail Erinna newcombi Snails Hawaii
1342. Newcomb's Tree Snail Newcombia canaliculata Snails Hawaii
1343. Newcomb's Tree Snail Newcombia cumingi Snails Hawaii
1344. Newcomb's Tree Snail Newcombia lirata Snails Hawaii
1345. Newcomb's Tree Snail Newcombia perkinsi Snails Hawaii
1346. Newcomb's Tree Snail Newcombia pfeifferi Snails Hawaii
1347. Newcomb's Tree Snail Newcombia sulcata Snails Hawaii
1348. Newell's Shearwater Puffinus newelli Birds Hawaii
1349. Niangua Darter Etheostoma nianguae Fishes Missouri
1350. Nichol's Turk's Head Cactus Echinocactus horizonthalonius var. nicholii Plants Arizona
1351. Nickajack Cave Isopod Caecidotea nickajackensis Crustaceans Georgia, Tennessee
1352. Night Shark Carcharhinus signatus Fishes Africa, Central America, North America (United States), South America
1353. Nightingale Reed Warbler Acrocephalus luscinia Birds West Pacific Ocean (USA - Guam, Alamagan, Saipan)
1354. Nihoa Banza Conehead Katydid Banza nihoa Insects Hawaii
1355. Nihoa Finch Telespiza ultima Birds Hawaii
1356. Nihoa Millerbird Acrocephalus familiaris Birds Hawaii
1357. Nipomo Mesa Lupine Lupinus nipomensis Plants California
1358. Noel's Amphipod Gammarus desperatus Crustaceans New Mexico
1359. North Pacific Right Whale Balaena japonica Mammals Canada (British Columbia), China, Japan, Korea, Mexico (Baja California), Russia, Taiwan, United States and Hawaii
1360. North Park Phacelia Phacelia formosula Plants Colorado
1361. Northeastern Bulrush Scirpus ancistrochaetus Plants Maryland, Massachusetts, New Hampshire, New York, Pennsylvania, Vermont, Virginia, West Virginia
1362. Northern Abalone Haliotis kamtschatkana Snails Alaska, California, Canada (British Columbia), Oregon, Washington
1363. Northern Aplomado Falcon Falco femoralis septentrionalis Birds Arizona, Guatemala, Mexico, New Mexico, Texas
1364. Northern Bobwhite Colinus virginianus Birds Arizona, Mexico (Sonora)
1365. Northern Cavefish Amblyopsis spelaea Fishes Indiana, Kentucky
1366. Northern Flying Squirrel Glaucomys sabrinus Mammals North Carolina, Tennessee, Virginia, West Virginia
1367. Northern Fur Seal Callorhinus ursinus Mammals Arkansas, California, Canada, China, Japan, Korea, Mexico, Oregon, Russia, Taiwan, Washington
1368. Northern Guitarfish Rhinobatos productus Fishes California, Mexico
1369. Norton's Cave Amphipod Stygobromus nortoni Crustaceans Tennessee
1370. Nueces Crayfish Procambarus nueces Crustaceans Texas
1371. Nukupu'u Hemignathus lucidus Birds Hawaii
1372. O'ahu Creeper Paroreomyza maculata Birds Hawaii
1373. O'ahu Tree Snail  WATCH A LIVE O'AHU TREE SNAIL Achatinella abbreviata Snails Hawaii
1374. O'ahu Tree Snail Achatinella apexfulva Snails Hawaii
1375. O'ahu Tree Snail Achatinella bellula Snails Hawaii
1376. O'ahu Tree Snail Achatinella buddii Snails Hawaii
1377. O'ahu Tree Snail Achatinella bulimoides Snails Hawaii
1378. O'ahu Tree Snail Achatinella byronii Snails Hawaii
1379. O'ahu Tree Snail Achatinella caesia Snails Hawaii
1380. O'ahu Tree Snail Achatinella casta Snails Hawaii
1381. O'ahu Tree Snail Achatinella cestus Snails Hawaii
1382. O'ahu Tree Snail Achatinella concavospira Snails Hawaii
1383. O'ahu Tree Snail Achatinella curta Snails Hawaii
1384. O'ahu Tree Snail Achatinella decipiens Snails Hawaii
1385. O'ahu Tree Snail Achatinella decora Snails Hawaii
1386. O'ahu Tree Snail Achatinella dimorpha Snails Hawaii
1387. O'ahu Tree Snail Achatinella elegans Snails Hawaii
1388. O'ahu Tree Snail Achatinella fulgens Snails Hawaii
1389. O'ahu Tree Snail Achatinella fuscobasis Snails Hawaii
1390. O'ahu Tree Snail Achatinella juddii Snails Hawaii
1391. O'ahu Tree Snail Achatinella juncea Snails Hawaii
1392. O'ahu Tree Snail Achatinella lehuiensis Snails Hawaii
1393. O'ahu Tree Snail Achatinella leucorraphe Snails Hawaii
1394. O'ahu Tree Snail Achatinella lila Snails Hawaii
1395. O'ahu Tree Snail Achatinella livida Snails Hawaii
1396. O'ahu Tree Snail Achatinella lorata Snails Hawaii
1397. O'ahu Tree Snail Achatinella mustelina Snails Hawaii
1398. O'ahu Tree Snail Achatinella papyracea Snails Hawaii
1399. O'ahu Tree Snail Achatinella phaeozona Snails Hawaii
1400. O'ahu Tree Snail Achatinella pulcherrima Snails Hawaii
1401. O'ahu Tree Snail Achatinella pupukanioe Snails Hawaii
1402. O'ahu Tree Snail Achatinella rosea Snails Hawaii
1403. O'ahu Tree Snail Achatinella sowerbyana Snails Hawaii
1404. O'ahu Tree Snail Achatinella spaldingi Snails Hawaii
1405. O'ahu Tree Snail Achatinella stewartii Snails Hawaii
1406. O'ahu Tree Snail Achatinella swiftii Snails Hawaii
1407. O'ahu Tree Snail Achatinella taeniolata Snails Hawaii
1408. O'ahu Tree Snail Achatinella thaanumi Snails Hawaii
1409. O'ahu Tree Snail Achatinella turgida Snails Hawaii
1410. O'ahu Tree Snail Achatinella valida Snails Hawaii
1411. O'ahu Tree Snail Achatinella viridans Snails Hawaii
1412. O'ahu Tree Snail Achatinella vittata Snails Hawaii
1413. O'ahu Tree Snail Achatinella vulpina Snails Hawaii
1414. O'u Psittirostra psittacea Birds Hawaii
1415. Oahu Amakihi Hemignathus flavus Birds Hawaii
1416. Oahu Clermontia Clermontia oblongifolia Plants Hawaii
1417. Oahu Damselfly Megalagrion oahuense Insects Hawaii
1418. Oahu Deceptor Bush Cricket Leptogryllus deceptor Insects Hawaii
1419. Oahu Sandmat Chamaesyce deppeana Plants Hawaii
1420. Oahu Stenogyne Stenogyne kanehoana Plants Hawaii
1421. Obey Crayfish Cambarus obeyensis Crustaceans Tennessee
1422. Oceanic Hawaiian Damselfly Megalagrion oceanicum Insects Hawaii
1423. Oceanic Whitetip Shark Carcharhinus longimanus Fishes Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (including United States and Hawaii), Oceanic, South America
1424. Ocellated Coral Cyphastrea ocellina Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
1425. Ocelot  WATCH A LIVE OCELOT Leopardus pardalis Mammals USA (Arizona, Texas) to Central and South America
1426. Ochlockonee Moccasinshell Medionidus simpsonianus Clams Florida, Georgia
1427. Ochrosia haleakalae Ochrosia haleakalae Plants Hawaii
1428. Ochrosia kauaiensis Ochrosia kauaiensis Plants Hawaii
1429. Ochrosia kilaueaensis Ochrosia kilaueaensis Plants Hawaii
1430. Ocmulgee Marstonia Pyrgulopsis agarhecta Snails Georgia
1431. Oconee Burrowing Crayfish Cambarus truncatus Crustaceans United States
1432. Oconee Stream Crayfish Cambarus chaugaensis Crustaceans Georgia, North Carolina, South Carolina
1433. Octopus Coral Galaxea astreata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1434. Octopus Coral Galaxea fascicularis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1435. Oha Delissea rivularis Plants Hawaii
1436. Ohai Sesbania tomentosa Plants Hawaii
1437. Ohe'ohe Tetraplasandra gymnocarpa Plants Hawaii
1438. Ohlone Tiger Beetle Cicindela ohlone Insects California
1439. Okaloosa Darter Etheostoma okaloosae Fishes Florida
1440. Okeechobee Gourd Cucurbita okeechobeensis ssp. okeechobeensis Plants Florida
1441. Oklahoma Cave Amphipod Allocrangonyx pellucidus Crustaceans Oklahoma
1442. Oklahoma Cave Crayfish Cambarus tartarus Crustaceans Oklahoma
1443. Oklahoma Salamander Eurycea tynerensis Amphibians Arkansas, Missouri, Oklahoma
1444. Oktibbeha Riverlet Crayfish Hobbseus orconectoides Crustaceans Mississippi
1445. Olapa Cheirodendron forbesii Plants Hawaii
1446. Olive Ridley Sea Turtle Lepidochelys olivacea Reptiles Circumglobal in tropical and temperate seas, Mexico (nesting populations)
1447. Olive-sided Flycatcher Contopus cooperi Birds Central and South America, North America (including United States)
1448. Oloma'o Myadestes lanaiensis Birds Hawaii
1449. Olympic Torrent Salamander Rhyacotriton olympicus Amphibians Washington
1450. Omao Myadestes obscurus Birds Hawaii
1451. One-finned Shark Heptranchias perlo Fishes Africa, Asia, Australia, Europe, Middle East, North America (including United States), South America
1452. One-toed Amphiuma Amphiuma pholeter Amphibians Alabama, Florida, Georgia
1453. Onondaga Cave Amphipod Stygobromus onondagaensis Crustaceans Arkansas, Kansas, Missouri, Oklahoma
1454. Opaque Pebblesnail Somatogyrus tennesseensis Snails Alabama, Tennessee
1455. Opuhe Urera kaalae Plants Hawaii
1456. Orange Button Coral Scolymia vitiensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1457. Orange Lake Cave Crayfish Procambarus franzi Crustaceans Florida
1458. Orangeblack Hawaiian Damselfly Megalagrion xanthomelas Insects Hawaii
1459. Orangefin Madtom Noturus gilberti Fishes North Carolina, Virginia
1460. Orangefoot Pimpleback Pearlymussel Plethobasus cooperianus Clams Alabama, Illinois, Indiana, Iowa, Kentucky, Ohio, Pennsylvania, Tennessee
1461. Orconectes bisectus Orconectes bisectus Crustaceans Kentucky
1462. Orconectes blacki Orconectes blacki Crustaceans Louisiana
1463. Orconectes cooperi Orconectes cooperi Crustaceans Alabama, Tennessee
1464. Orconectes deanae Orconectes deanae Crustaceans New Mexico, Oklahoma, Texas
1465. Orconectes hartfieldi Orconectes hartfieldi Crustaceans Mississippi
1466. Orconectes holti Orconectes holti Crustaceans Alabama
1467. Orconectes incomptus Orconectes incomptus Crustaceans Tennessee
1468. Orconectes jeffersoni Orconectes jeffersoni Crustaceans Kentucky
1469. Orconectes jonesi Orconectes jonesi Crustaceans Alabama, Mississippi
1470. Orconectes kentuckiensis Orconectes kentuckiensis Crustaceans Illinois, Kentucky
1471. Orconectes maletae Orconectes maletae Crustaceans Louisiana, Texas
1472. Orconectes marchandi Orconectes marchandi Crustaceans Arkansas, Missouri
1473. Orconectes menae Orconectes menae Crustaceans Arkansas, Oklahoma
1474. Orconectes mississippiensis Orconectes mississippiensis Crustaceans Mississippi
1475. Orconectes peruncus Orconectes peruncus Crustaceans Missouri
1476. Orconectes quadruncus Orconectes quadruncus Crustaceans Missouri
1477. Orconectes saxatilis Orconectes saxatilis Crustaceans Oklahoma
1478. Orconectes shoupi Orconectes shoupi Crustaceans Tennessee
1479. Orconectes sloanii Orconectes sloanii Crustaceans Indiana, Ohio
1480. Orconectes stannardi Orconectes stannardi Crustaceans Illinois
1481. Orconectes wrighti Orconectes wrighti Crustaceans Mississippi, Tennessee
1482. Orcutt's Spineflower Chorizanthe orcuttiana Plants California
1483. Oregon Checker-mallow Sidalcea oregana Plants California
1484. Oregon Chub Oregonichthys crameri Fishes Oregon
1485. Oregon Giant Earthworm Driloleirus macelfreshi Worms Oregon
1486. Oregon Slender Salamander Batrachoseps wrighti Amphibians Oregon
1487. Oregon Spotted Frog Rana pretiosa Amphibians Canada, Oregon, Washington
1488. Organ Pipe Coral Tubipora musica Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1489. Orlando Cave Crayfish Procambarus acherontis Crustaceans Florida
1490. Osmoxylon mariannense Osmoxylon mariannense Plants Northern Mariana Islands
1491. Osterhout Milkvetch Astragalus osterhoutii Plants Colorado
1492. Otay Mesa-mint Pogogyne nudiuscula Plants California, Mexico (Baja California)
1493. Ouachita Burrowing Crayfish Fallicambarus harpi Crustaceans Arkansas
1494. Ouachita Madtom Noturus lachneri Fishes Arkansas
1495. Ouachita Mountain Shiner Lythrurus snelsoni Fishes Arkansas, Oklahoma
1496. Ouachita Rock Pocketbook Arkansia wheeleri Clams Arkansas, Oklahoma
1497. Oulophyllia bennettae Oulophyllia bennettae Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1498. Oulophyllia crispa Oulophyllia crispa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1499. Oval Pigtoe Pleurobema pyriforme Clams Alabama, Florida, Georgia
1500. Ovate Clubshell Pleurobema perovatum Clams Alabama, Georgia, Mississippi, Tennessee
1501. Ovate Pebblesnail Somatogyrus excavatus Snails Alabama
1502. Owens Pupfish Cyprinodon radiosus Fishes California
1503. Owens Tui Chub Gila bicolor snyderi Fishes California
1504. Oyster Mussel Epioblasma capsaeformis Clams Georgia, Kentucky, North Carolina, Tennessee, Virginia
1505. Ozark Cave Amphipod Stygobromus ozarkensis Crustaceans Arkansas, Missouri, Oklahoma
1506. Ozark Cavefish Amblyopsis rosae Fishes Arkansas, Kansas, Missouri, Oklahoma
1507. Ozark Emerald Somatochlora ozarkensis Insects Arkansas, Kansas, Missouri, Oklahoma
1508. Ozobryum ogalalense Ozobryum ogalalense Plants Kansas
1509. Pachyseris gemmae Pachyseris gemmae Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
1510. Pachyseris rugosa Pachyseris rugosa Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1511. Pacific Hawaiian Damselfly Megalagrion pacificum Insects Hawaii
1512. Pacific Pocket Mouse Perognathus longimembris pacificus Mammals California
1513. Pacific Pond Turtle Actinemys marmorata Reptiles California, Mexico, Oregon, Washington
1514. Pacific Seahorse Hippocampus ingens Fishes Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, Panama, Peru, United States (California)
1515. Pacific Sheath-tailed Bat Emballonura semicaudata Mammals American Samoa, Federated States of Micronesia, Fiji, Northern Mariana Islands, Palau, Samoa, Tonga
1516. Pahranagat Roundtail Chub Gila robusta jordani Fishes Nevada
1517. Pahrump Poolfish Empetrichthys latos Fishes Nevada
1518. Painted Bunting Passerina ciris Birds Central America, North America (including United States)
1519. Painted Clubshell Pleurobema chattanoogaense Clams Alabama, Georgia, Tennessee
1520. Painted Rocksnail Leptoxis taeniata Snails Alabama
1521. Pale Lilliput Pearlymussel Toxolasma cylindrellus Clams Alabama, Tennessee
1522. Paleback Darter Etheostoma pallididorsum Fishes Arkansas
1523. Palezone Shiner Notropis albizonatus Fishes Alabama, Kentucky, Tennessee
1524. Palila Loxioides bailleui Birds Hawaii
1525. Pallid Sturgeon Scaphirhynchus albus Fishes Arkansas, Illinois, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Montana, Nebraska, North Dakota, South Dakota, Tennessee
1526. Palmate-bracted Bird's-beak Cordylanthus palmatus Plants California
1527. Palmer's Chipmunk Tamias palmeri Mammals Nevada
1528. Styrax portoricensis Styrax portoricensis Plants Puerto Rico
1529. Palo de nigua Cornutia obovata Plants Puerto Rico
1530. Palo de rosa Ottoschulzia rhodoxylon Plants Dominican Republic, Puerto Rico
1531. Palos Verdes Blue Butterfly Glaucopsyche lygdamus palosverdesensis Insects California
1532. Pamakani Tetramolopium capillare Plants Hawaii
1533. Panama City Crayfish Procambarus econfinae Crustaceans Florida
1534. Panamint Alligator Lizard Elgaria panamintina Reptiles California
1535. Panhandle Pebblesnail Somatogyrus virginicus Snails North Carolina, Virginia
1536. Panicum fauriei var. carteri Panicum fauriei var. carteri Plants Hawaii
1537. Panicum niihauense Panicum niihauense Plants Hawaii
1538. Paraclavarina triangularis Paraclavarina triangularis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
1539. Parkhill Prairie Crayfish Procambarus steigmani Crustaceans Texas
1540. Partula Snail Partula emersoni Snails Federated States of Micronesia
1541. Partula Snail Partula gibba Snails Guam, Northern Mariana Islands
1542. Partula Snail Partula guamensis Snails Federated States of Micronesia
1543. Partula Snail Partula langfordi Snails Northern Mariana Islands
1544. Partula Snail Partula martensiana Snails Federated States of Micronesia
1545. Partula Snail Partula radiolata Snails Guam
1546. Partulina confusa Partulina confusa Snails Hawaii
1547. Partulina dubia Partulina dubia Snails Hawaii
1548. Partulina mighelsiana Partulina mighelsiana Snails Hawaii
1549. Partulina perdix Partulina perdix Snails Hawaii
1550. Partulina physa Partulina physa Snails Hawaii
1551. Partulina proxima Partulina proxima Snails Hawaii
1552. Partulina redfieldi Partulina redfieldi Snails Hawaii
1553. Partulina semicarinata Partulina semicarinata Snails Hawaii
1554. Partulina splendida Partulina splendida Snails Hawaii
1555. Partulina tappaniana Partulina tappaniana Snails Hawaii
1556. Partulina tessellata Partulina tessellata Snails Hawaii
1557. Partulina variabilis Partulina variabilis Snails Hawaii
1558. Pauoa Ctenitis squamigera Plants Hawaii
1559. Pavona bipartita Pavona bipartita Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1560. Pavona cactus Pavona cactus Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1561. Pavona decussata Pavona decussata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1562. Pavona minuta Pavona minuta Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
1563. Pavona venosa Pavona venosa Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1564. Peaks Of Otter Salamander Plethodon hubrichti Amphibians Virginia
1565. Pearl Bubble Coral Physogyra lichtensteini Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1566. Pearl Riverlet Crayfish Hobbseus attenuatus Crustaceans Mississippi
1567. Peck's Cave Amphipod Stygobromus pecki Crustaceans Texas
1568. Pecos Amphipod Gammarus pecos Crustaceans Texas
1569. Pecos Assiminea Snail Assiminea pecos Snails Mexico, New Mexico, Texas
1570. Pecos Gambusia Gambusia nobilis Fishes New Mexico, Texas
1571. Pecos River Pupfish Cyprinodon pecosensis Fishes New Mexico, Texas
1572. Pectinia alcicornis Pectinia alcicornis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
1573. Pectinia elongata Pectinia elongata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
1574. Pectinia lactuca Pectinia lactuca Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1575. Pectinia paeonia Pectinia paeonia Corals, Jellyfish, and Sea Anemones Asia, Australia, Europe, North America (United States Territory), Oceanic
1576. Pedate Checker-mallow Sidalcea pedata Plants California
1577. Peebles Navajo Cactus Pediocactus peeblesianus peeblesianus Plants Arizona
1578. Pele Clermontia Clermontia peleana Plants Hawaii
1579. Pelekunu Trail Yellow Loosestrife Lysimachia maxima Plants Hawaii
1580. Pelos del diablo Aristida portoricensis Plants Puerto Rico
1581. Pendant Kihi Fern Adenophorus periens Plants Hawaii
1582. Penland Beardtongue Penstemon penlandii Plants Colorado
1583. Pennell's Bird's-beak Cordylanthus tenuis ssp. capillaris Plants California
1584. Pennsylvania Cave Amphipod Crangonyx dearolfi Crustaceans Maryland, Pennsylvania
1585. Perdicella helena Perdicella helena Snails Hawaii
1586. Persistent Trillium Trillium persistens Plants Georgia, South Carolina
1587. Peter's Mountain Mallow Iliamna corei Plants Virginia
1588. Phantom Cave Crayfish Procambarus pecki Crustaceans Alabama
1589. Phantom Cave Snail Cochliopa texana Snails Texas
1590. Pheidole elecebra Pheidole elecebra Insects United States (Colorado)
1591. Pheidole inquilina Pheidole inquilina Insects United States (Colorado)
1592. Philippine Brown Deer Rusa marianna Mammals Federated States of Micronesia, Guam, Northern Mariana Islands, Philippines
1593. Phyllostegia glabra var. lanaiensis Phyllostegia glabra var. lanaiensis Plants Hawaii
1594. Phyllostegia hirsuta Phyllostegia hirsuta Plants Hawaii
1595. Phyllostegia kaalaensis Phyllostegia kaalaensis Plants Hawaii
1596. Phyllostegia knudsenii Phyllostegia knudsenii Plants Hawaii
1597. Phyllostegia mannii Phyllostegia mannii Plants Hawaii
1598. Phyllostegia mollis Phyllostegia mollis Plants Hawaii
1599. Phyllostegia parviflora Phyllostegia parviflora Plants Hawaii
1600. Phyllostegia racemosa Phyllostegia racemosa Plants Hawaii
1601. Phyllostegia velutina Phyllostegia velutina Plants Hawaii
1602. Phyllostegia waimeae Phyllostegia waimeae Plants Hawaii
1603. Phyllostegia warshaueri Phyllostegia warshaueri Plants Hawaii
1604. Phyllostegia wawrana Phyllostegia wawrana Plants Hawaii
1605. Pickle Springs Amphipod Stygobromus heteropodus Crustaceans Missouri
1606. Piedmont Blue Burrower Cambarus harti Crustaceans Georgia
1607. Pigeon Mountain Salamander Plethodon petraeus Amphibians Georgia
1608. Pillar Coral Dendrogyra cylindrus Corals, Jellyfish, and Sea Anemones Central America, Europe, North America (including United States), South America
1609. Pilo Hedyotis mannii Plants Hawaii
1610. Pilosocereus robinii Pilosocereus robinii Plants Cuba, Florida
1611. Pinaleno Monkey Grasshopper Eumorsea pinaleno Insects Arizona
1612. Pine Barrens Treefrog Hyla andersonii Amphibians Alabama, Florida, New Jersey, North Carolina, South Carolina
1613. Pine Hill Ceanothus Ceanothus roderickii Plants California
1614. Pine Hill Flannelbush Fremontodendron californicum ssp. decumbens Plants California
1615. Pink Mucket Pearlymussel Lampsilis abrupta Clams Alabama, Arkansas, Illinois, Indiana, Kentucky, Louisiana, Missouri, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
1616. Pink Ring Mussel Obovaria retusa Clams Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, West Virginia
1617. Pink-footed Shearwater Puffinus creatopus Birds Argentina, Australia, Canada, Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, New Zealand, Nicaragua, Peru, United States
1618. Pinyon Jay Gymnorhinus cyanocephalus Birds United States
1619. Piping Plover Charadrius melodus Birds Canada, USA - Great Lakes Watershed
1620. Pismo Clarkia Clarkia speciosa ssp. immaculata Plants California
1621. Pisonia wagneriana Pisonia wagneriana Plants Hawaii
1622. Pitkin Marsh Lily Lilium pardalinum ssp. pitkinense Plants California
1623. Pizzini's Amphipod Stygobromus pizzinii Crustaceans District of Columbia, Maryland, Pennsylvania, Virginia
1624. Plain Cactus Snail Xerarionta intercisa Snails California
1625. Plain Pigeon Patagioenas inornata Birds Dominican Republic, Haiti, Jamaica, Puerto Rico
1626. Plain White-eye Zosterops hypolais Birds Federated States of Micronesia
1627. Platygyra carnosus Platygyra carnosus Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1628. Platygyra lamellina Platygyra lamellina Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1629. Platygyra ryukyuensis Platygyra ryukyuensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1630. Pleurocera postelli Pleurocera postelli Snails Alabama
1631. Plicate Rocksnail Leptoxis plicata Snails Alabama
1632. Plymouth Red-bellied Turtle Pseudemys rubriventris bangsi Reptiles Massachusetts
1633. Po'ouli Melamprosops phaeosoma Birds Hawaii
1634. Poey's Grouper Epinephelus flavolimbatus Fishes Central America, North America (including United States), South America
1635. Pogonomyrmex anergismus Pogonomyrmex anergismus Insects United States
1636. Pogonomyrmex colei Pogonomyrmex colei Insects United States
1637. Pohnpei Flying Fox Pteropus molossinus Mammals Federated States of Micronesia
1638. Point Arena Mountain Beaver Aplodontia rufa nigra Mammals California
1639. Polar Bear Ursus maritimus Mammals Alaska, Canada, Denmark, Greenland, Norway, Russia
1640. Polkadot Cod Plectropomus areolatus Fishes Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1641. Polyergus lucidus Polyergus lucidus Insects Florida, Indiana
1642. Polyphyllia novaehiberniae Polyphyllia novaehiberniae Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, North America (United States Territory), Oceanic
1643. Pomace Fly Drosophila aglaia Insects Hawaii
1644. Pomace Fly Drosophila differens Insects Hawaii
1645. Pomace Fly Drosophila hemipeza Insects Hawaii
1646. Pomace Fly Drosophila heteroneura Insects Hawaii
1647. Pomace Fly Drosophila montgomeryi Insects Hawaii
1648. Pomace Fly Drosophila musaphila Insects Hawaii
1649. Pomace Fly Drosophila neoclavisetae Insects Hawaii
1650. Pomace Fly Drosophila obatai Insects Hawaii
1651. Pomace Fly Drosophila ochrobasis Insects Hawaii
1652. Pomace Fly Drosophila substenoptera Insects Hawaii
1653. Pomace Fly Drosophila tarphytrichia Insects Hawaii
1654. Pondberry Lindera melissifolia Plants Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Missouri, North Carolina, South Carolina
1655. Ponderous Siltsnail Cincinnatia ponderosa Snails Florida
1656. Porites annae Porites annae Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic
1657. Porites attenuata Porites attenuata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic
1658. Porites cylindrica Porites cylindrica Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic
1659. Porites deformis Porites deformis Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (Hawaii/US Territory), Oceanic
1660. Porites horizontalata Porites horizontalata Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Europe, North America (Hawaii/US Territory), Oceanic
1661. Porites lobata Porites lobata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic, South America
1662. Porites murrayensis Porites murrayensis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1663. Porites nigrescens Porites nigrescens Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1664. Porites pukoensis Porites pukoensis Corals, Jellyfish, and Sea Anemones North America (Hawaii/US Territory)
1665. Porites stephensoni Porites stephensoni Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic
1666. Port Conception Jerusalem Cricket Ammopelmatus muwu Insects California
1667. Port Orford Cedar Chamaecyparis lawsoniana Plants California, Oregon
1668. Portuguese Dogfish Centroscymnus coelolepis Fishes Africa, Asia, Australia, Europe, North America (United States Territory)
1669. Portulaca sclerocarpa Portulaca sclerocarpa Plants Hawaii
1670. Pouteria Tree Pouteria hotteana Plants Haiti, Puerto Rico
1671. Prairie Sphinx Moth Euproserpinus wiesti Insects United States
1672. Presidio Clarkia Clarkia franciscana Plants California
1673. Presidio Manzanita Arctostaphylos hookeri var. ravenii Plants California
1674. Pribilof Island Shrew Sorex pribilofensis Mammals Alaska
1675. Prickly Pear Opuntia treleasei Plants California
1676. Prickly Pear Island Snail Micrarionta opuntia Snails California
1677. Prickly Shark Echinorhinus cookei Fishes Australia, California, China, Hawaii, New Zealand, Palau, Peru, Taiwan
1678. Pristine Crayfish Cambarus pristinus Crustaceans Tennessee
1679. Procambarus latipleurum Procambarus latipleurum Crustaceans Florida
1680. Procambarus plumimanus Procambarus plumimanus Crustaceans North Carolina
1681. Procambarus rathbunae Procambarus rathbunae Crustaceans Florida
1682. Procambarus reimeri Procambarus reimeri Crustaceans Arkansas
1683. Pronghorn Antilocapra americana Mammals Arizona, Mexico
1684. Proserpine Shiner Cyprinella proserpina Fishes Mexico, Texas
1685. Protomognathus americanus Protomognathus americanus Insects Indiana
1686. Providence Petrel Pterodroma solandri Birds American Samoa, Australia, Cook Islands, Indian Ocean (Norfolk Islands), New Caledonia, New Zealand, Palau, United States and Minor Outlying Islands, Wallis and Futuna
1687. Prunus geniculata Prunus geniculata Plants Florida
1688. Psammocora contigua Psammocora contigua Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, Oceanic, United States/US Territory
1689. Psammocora digitata Psammocora digitata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Oceanic, United States/US Territory
1690. Psammocora obtusangula Psammocora obtusangula Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Central America, Europe, Mexico, Oceanic, United States/US Territory
1691. Psammocora stellata Psammocora stellata Corals, Jellyfish, and Sea Anemones Africa, Asia, Central America, Mexico, Oceanic, South America, United States/US Territory
1692. Psammocora vaughani Psammocora vaughani Corals, Jellyfish, and Sea Anemones Asia, Australia, Oceanic, United States/US Territory
1693. Pseudomyrmex leptosus Pseudomyrmex leptosus Insects United States
1694. Psidium sintenisii Psidium sintenisii Plants Puerto Rico
1695. Psychotria grandiflora Psychotria grandiflora Plants Hawaii
1696. Psychotria hobdyi Psychotria hobdyi Plants Hawaii
1697. Pteris lidgatei Pteris lidgatei Plants Hawaii
1698. Pua'ala Brighamia rockii Plants Hawaii
1699. Puerto Rican Boa Epicrates inornatus Reptiles Puerto Rico
1700. Puerto Rican Broad-winged Hawk Buteo platypterus brunnescens Birds Puerto Rico
1701. Puerto Rican Crested Toad Peltophryne lemur Amphibians British Virgin Islands, Puerto Rico
1702. Puerto Rican Nightjar Antrostomus noctitherus Birds Puerto Rico
1703. Puerto Rican Parrot Amazona vittata Birds Puerto Rico
1704. Puerto Rican Robber Frog Eleutherodactylus portoricensis Amphibians Puerto Rico
1705. Puerto Rican Sharp-shinned Hawk Accipiter striatus venator Birds Puerto Rico
1706. Puerto Rican Wetland Frog Eleutherodactylus juanariveroi Amphibians Puerto Rico
1707. Puerto Rico Helmet Orchid Cranichis ricartii Plants Puerto Rico
1708. Puritan Tiger Beetle Cicindela puritana Insects Connecticut, Maryland, Massachusetts, New Hampshire, Vermont
1709. Purple Bankclimber Elliptoideus sloatianus Clams Alabama, Florida, Georgia
1710. Purple Bean Villosa perpurpurea Clams Tennessee, Virginia
1711. Purple Skimmer Libellula jesseana Insects Florida
1712. Purpleflower Blacksnakeroot Sanicula purpurea Plants Hawaii
1713. Putnam County Cave Crayfish Procambarus morrisi Crustaceans Florida
1714. Pycroft's Petrel Pterodroma pycrofti Birds Japan, New Zealand, United States and Minor Outlying Islands, Wallis and Futuna
1715. Pygmy Madtom Noturus stanauli Fishes Tennessee
1716. Pygmy Pebblesnail Somatogyrus pygmaeus Snails Alabama
1717. Pygmy Rabbit Brachylagus idahoensis Mammals USA - Columbia Basin DPS
1718. Pygmy Sculpin Cottus paulus Fishes Alabama
1719. Pygmy Siltsnail Cincinnatia parva Snails Florida
1720. Quadrate Pebblesnail Somatogyrus quadratus Snails Alabama
1721. Queen Triggerfish Balistes vetula Fishes Africa, Asia, Central America, North America (including United States), Oceanic, South America
1722. Quercus acerifolia Quercus acerifolia Plants Arkansas
1723. Quercus basaseachicensis Quercus basaseachicensis Plants Arkansas
1724. Quercus boyntonii Quercus boyntonii Plants Alabama, Texas
1725. Quercus dumosa Quercus dumosa Plants California, Mexico
1726. Quercus georgiana Quercus georgiana Plants Alabama, Georgia, South Carolina
1727. Quercus graciliformis Quercus graciliformis Plants Texas
1728. Quercus hinckleyi Quercus hinckleyi Plants Texas
1729. Quercus oglethorpensis Quercus oglethorpensis Plants Georgia, Mississippi, South Carolina
1730. Quercus tardifolia Quercus tardifolia Plants Texas
1731. Quillwort Isoetes louisianensis Plants Louisiana, Mississippi
1732. Quillwort Isoetes melanospora Plants Georgia, South Carolina
1733. Quillwort Isoetes tegetiformans Plants Georgia
1734. Quino Checkerspot Butterfly Euphydryas editha quino Insects California, Mexico
1735. Radiator Plant Peperomia wheeleri Plants Puerto Rico
1736. Railroad Valley Springfish Crenichthys nevadae Fishes Nevada
1737. Rainbow Parrotfish Scarus guacamaia Fishes Central America, North America (including United States), Oceanic, South America
1738. Ramsey Canyon Leopard Frog Lithobates subaquavocalis Amphibians Arizona
1739. Razorback Sucker Xyrauchen texanus Fishes Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
1740. Red Fruit Bat Stenoderma rufum Mammals Puerto Rico, Virgin Islands
1741. Red Grouper Epinephelus morio Fishes Central America, North America (including United States), Oceanic, South America
1742. Red Hills Salamander Phaeognathus hubrichti Amphibians Alabama
1743. Red Porgy Pagrus pagrus Fishes Asia, Central and South America, Europe, Africa, and the Middle East, Mexico, United States
1744. Red Tree Vole Arborimus longicaudus Mammals California, Oregon
1745. Red Wolf  WATCH A LIVE RED WOLF Canis rufus Mammals USA (SE US, west to central Texas)
1746. Red-black Crayfish Cambarus pyronotus Crustaceans Florida
1747. Red-cheeked Salamander Plethodon jordani Amphibians North Carolina, Tennessee
1748. Red-cockaded Woodpecker  WATCH A LIVE RED-COCKADED WOODPECKER Picoides borealis Birds USA (southcentral and southeastern)
1749. Red-crowned Parrot Amazona viridigenalis Birds Mexico, Puerto Rico, US (TX, FL, CA)
1750. Red-headed Woodpecker Melanerpes erythrocephalus Birds Canada, Saint Pierre and Miquelon, United States
1751. Red-legged Kittiwake Rissa brevirostris Birds Alaska, Canada, Japan
1752. Red-legged Salamander Plethodon shermani Amphibians North Carolina, Tennessee
1753. Reddell's Cave Amphipod Stygobromus reddelli Crustaceans Texas
1754. Acadian Redfish Sebastes fasciatus Fishes Canada, Greenland, Iceland, United States
1755. Relict Dace Relictus solitarius Fishes Nevada
1756. Relict Darter Etheostoma chienense Fishes Kentucky
1757. Relict Leopard Frog Lithobates onca Amphibians Arizona, Nevada, Utah
1758. Relict Trillium Trillium reliquum Plants Alabama, Georgia, South Carolina
1759. Remote Conehead Katydid Enconocephalus remotus Insects Hawaii
1760. Remy's Sandmat Chamaesyce remyi Plants Hawaii
1761. Reticulate Collared Lizard Crotaphytus reticulatus Reptiles Mexico, Texas
1762. Reticulated Flatwoods Salamander Ambystoma bishopi Amphibians Alabama, Florida, Georgia
1763. Rhinoceros Iguana Cyclura cornuta Reptiles Dominican Republic, Haiti, Puerto Rico
1764. Rhododendron chapmanii Rhododendron chapmanii Plants Florida
1765. Rich Mountain Salamander Plethodon ouachitae Amphibians Arkansas, Oklahoma
1766. Richmond's Robber Frog Eleutherodactylus richmondi Amphibians Puerto Rico
1767. Ridgway's Hawk Buteo ridgwayi Birds Dominican Republic, Puerto Rico
1768. Rim Rock Crowned Snake Tantilla oolitica Reptiles Florida
1769. Ringed Boghaunter Williamsonia lintneri Insects Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, Rhode Island, Wisconsin
1770. Ringed Hornsnail Pleurocera annulifera Snails Alabama
1771. Ringed Sawback Graptemys oculifera Reptiles Louisiana, Mississippi
1772. Rio Grande Darter Etheostoma grahami Fishes Mexico, Texas
1773. Rio Grande Monkeyface Quadrula couchiana Clams New Mexico, Texas
1774. Rio Grande Silvery Minnow Hybognathus amarus Fishes Mexico, New Mexico, Texas
1775. Riparian Brush Rabbit Sylvilagus bachmani riparius Mammals California
1776. Riparian Woodrat Neotoma fuscipes riparia Mammals California
1777. Roan Mountain Bluet Hedyotis purpurea var. montana Plants North Carolina, Tennessee
1778. Roanoke Bass Ambloplites cavifrons Fishes North Carolina, Virginia
1779. Roanoke Logperch Percina rex Fishes Virginia
1780. Robber Baron Cave Meshweaver Cicurina baronia Arachnids Texas
1781. Robust Cottontail Sylvilagus robustus Mammals New Mexico, Texas
1782. Robust Spineflower Chorizanthe robusta Plants California
1783. Rock Gnome Lichen Gymnoderma lineare Plants North Carolina, Tennessee
1784. Rockface Starviolet Hedyotis parvula Plants Hawaii
1785. Rocky Mountain Capshell Acroloxus coloradensis Snails Canada, United States
1786. Rolling Pebblesnail Somatogyrus strengi Snails Alabama
1787. Roseate Tern Sterna dougallii dougallii Birds Northeastern USA
1788. Roswell Springsnail Pyrgulopsis roswellensis Snails New Mexico
1789. Rota Bridled White-eye Zosterops rotensis Birds Northern Mariana Islands
1790. Rough Cactus Coral Mycetophyllia ferox Corals, Jellyfish, and Sea Anemones Central America, North America (including United States), South America
1791. Rough Hornsnail Pleurocera foremani Snails Alabama
1792. Rough Pigtoe Pleurobema plenum Clams Alabama, Indiana, Kentucky, Pennsylvania, Tennessee, Virginia
1793. Rough Popcornflower Plagiobothrys hirtus Plants Oregon
1794. Rough Rabbitsfoot Quadrula cylindrica strigillata Clams Tennessee, Virginia
1795. Rough Rockshell Quadrula tuberosa Clams Kentucky, Tennessee
1796. Rough Sculpin Cottus asperrimus Fishes California
1797. Rough-leaved Loosestrife Lysimachia asperulaefolia Plants Hawaii
1798. Round Ebonyshell Obovaria rotulata Clams Alabama, Florida
1799. Round Rocksnail Elimia ampla Snails Alabama
1800. Round-leaved Chaff-flower Achyranthes splendens var. rotundata Plants Hawaii
1801. Round-rib Elimia Elimia nassula Snails Alabama
1802. Royal Marstonia Snail Pyrgulopsis ogmorhaphe Snails Tennessee
1803. Rugel's Pawpaw Deeringothamnus rugelii Plants Florida
1804. Rugged Hornsnail Pleurocera alveare Snails Alabama, Arkansas, Illinois, Kentucky, Missouri, Tennessee
1805. Running Buffalo Clover Trifolium stoloniferum Plants Arkansas, Illinois, Indiana, Kansas, Kentucky, Missouri, Ohio, West Virginia
1806. Rusty Blackbird Euphagus carolinus Birds Saint Pierre and Miquelon, United States
1807. Rusty Grave Digger Cambarus miltus Crustaceans Alabama, Florida
1808. Ruth's Golden Aster Pityopsis ruthii Plants Tennessee
1809. Rye Cove Cave Isopod Lirceus culveri Crustaceans Virginia
1810. Sabino Dancer Argia sabino Insects Arizona, Mexico
1811. Sacramento Anthicid Beetle Anthicus sacramento Insects United States
1812. Sacramento Orcutt Grass Orcuttia viscida Plants California
1813. Sacramento Prickly Poppy Argemone pleiacantha ssp. pinnatisecta Plants New Mexico
1814. Sacramento Splittail Pogonichthys macrolepidotus Fishes California
1815. Salina Mucket Potamilus metnecktayi Clams Texas
1816. Saline Burrowing Crayfish Fallicambarus strawni Crustaceans Arkansas
1817. Salt Creek Tiger Beetle Cicindela nevadica lincolniana Insects Nebraska
1818. Salt Marsh Bird's-beak Cordylanthus maritimus ssp. maritimus Plants California, Mexico (Baja California)
1819. Salt Marsh Harvest Mouse Reithrodontomys raviventris Mammals California
1820. Saltmarsh Sharp-tailed Sparrow Ammodramus caudacutus Birds Canada, United States
1821. Salvelinus confluentus Salvelinus confluentus Fishes Canada, United States
1822. Sambar Deer Rusa unicolor Mammals Africa, Asia, Australia, Central America, North America (United States)
1823. Samoan Flying Fox Pteropus samoensis Mammals American Samoa, Fiji, Samoa
1824. Samoan Tree Snail Samoana abbreviata Snails American Samoa
1825. Samoan Tree Snail Samoana conica Snails American Samoa
1826. Samoan Tree Snail Samoana fragilis Snails Guam
1827. Samoan Tree Snail Samoana thurstoni Snails American Samoa
1828. Samwell Cave Cricket Pristoceuthophilus sp. nov. Insects United States (California)
1829. San Bernardino Bluegrass Poa atropurpurea Plants California
1830. Merriam's Kangaroo Rat Dipodomys merriami Mammals California
1831. San Bernardino Mountains Bladderpod Lesquerella kingii ssp. bernardina Plants California
1832. San Bruno Elfin Butterfly Callophrys mossii bayensis Insects California
1833. San Clemente Island Broom Lotus dendroideus ssp. traskiae Plants California
1834. San Clemente Island Bush-mallow Malacothamnus clementinus Plants California
1835. San Clemente Island Indian Paintbrush Castilleja grisea Plants California
1836. San Clemente Island Larkspur Delphinium variegatum ssp. kinkiense Plants California
1837. San Clemente Island Woodland-star Lithophragma maximum Plants California
1838. San Clemente Loggerhead Shrike Lanius ludovicianus mearnsi Birds California
1839. San Diego Ambrosia Ambrosia pumila Plants California, Mexico
1840. San Diego Button-celery Eryngium aristulatum var. parishii Plants California
1841. San Diego Fairy Shrimp Branchinecta sandiegonensis Crustaceans California
1842. San Diego Mesa-mint Pogogyne abramsii Plants California
1843. San Francisco Garter Snake Thamnophis sirtalis tetrataenia Reptiles California
1844. San Francisco Lessingia Lessingia germanorum Plants California
1845. San Gabriel Springs Salamander Eurycea naufragia Amphibians Texas
1846. San Jacinto Valley Crownscale Atriplex coronata var. notatior Plants California
1847. San Joaquin Dune Beetle Coelus gracilis Insects California
1848. San Joaquin Kit Fox Vulpes macrotis mutica Mammals California
1849. San Joaquin Wooly-threads Monolopia congdonii Plants California
1850. San Marcos Gambusia Gambusia georgei Fishes Texas
1851. San Marcos Salamander Eurycea nana Amphibians Texas
1852. San Mateo Thornmint Acanthomintha obovata ssp. duttonii Plants California
1853. San Mateo Woolly Sunflower Eriophyllum latilobum Plants California
1854. San Rafael Cactus Pediocactus despainii Plants Utah
1855. Sand Sturgeon Scaphirhynchus platorynchus Fishes United States
1856. Sandhill Crane Grus canadensis Birds Mississippi, West Indies (Cuba)
1857. Sandhills Crayfish Procambarus angustatus Crustaceans Georgia
1858. Sandlace Polygonella myriophylla Plants Florida
1859. Sandplain Gerardia Agalinis acuta Plants Connecticut, Maryland, Massachusetts, New York, Rhode Island
1860. Sandstone Night Lizard Xantusia gracilis Reptiles California
1861. Sandwort Arenaria cumberlandensis Plants Kentucky, Tennessee
1862. Sandwort Arenaria paludicola Plants California
1863. Santa Ana River Woolly-star Eriastrum densifolium ssp. sanctorum Plants California
1864. Santa Ana Sucker Catostomus santaanae Fishes California
1865. Santa Barbara Island Liveforever Dudleya traskiae Plants California
1866. Santa Catalina Island Manzanita Arctostaphylos catalinae Plants California
1867. Santa Clara Valley Dudleya Dudleya setchellii Plants California
1868. Santa Cruz Cypress Cupressus abramsiana Plants California
1869. Santa Cruz Island Bush-mallow Malacothamnus fasciculatus var. nesioticus Plants California
1870. Santa Cruz Island Fringepod Thysanocarpus conchuliferus Plants California
1871. Santa Cruz Island Malacothrix Malacothrix indecora Plants California
1872. Santa Cruz Island Rock-cress Sibara filifolia Plants California
1873. Santa Cruz Long-toed Salamander Ambystoma macrodactylum croceum Amphibians California
1874. Santa Fe Cave Crayfish Procambarus erythrops Crustaceans Florida
1875. Santa Monica Mountains Grasshopper Trimerotropis occidentaloides Insects California
1876. Santa Monica Shieldback Katydid Aglaothorax longipennis Insects United States
1877. Santa Rosa Island Manzanita Arctostaphylos confertiflora Plants California
1878. Say's Spiketail Cordulegaster sayi Insects Florida, Georgia
1879. Scaleshell Mussel Leptodea leptodon Clams Alabama, Arkansas, Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Ohio, Oklahoma, South Dakota, Tennessee, Wisconsin
1880. Scarlet Bluet Enallagma pictum Insects Connecticut, Maine, Massachusetts, New Jersey, New York, Rhode Island
1881. Schauinsland's Bush Cricket Caconemobius schauinslandi Insects Hawaii
1882. Schaus Swallowtail Heraclides aristodemus ponceanus Insects Florida
1883. Schiedea adamantis Schiedea adamantis Plants Hawaii
1884. Schiedea apokremnos Schiedea apokremnos Plants Hawaii
1885. Schiedea haleakalensis Schiedea haleakalensis Plants Hawaii
1886. Schiedea helleri Schiedea helleri Plants Hawaii
1887. Schiedea hookeri Schiedea hookeri Plants Hawaii
1888. Schiedea kaalae Schiedea kaalae Plants Hawaii
1889. Schiedea kauaiensis Schiedea kauaiensis Plants Hawaii
1890. Schiedea kealiae Schiedea kealiae Plants Hawaii
1891. Schiedea lydgatei Schiedea lydgatei Plants Hawaii
1892. Schiedea membranacea Schiedea membranacea Plants Hawaii
1893. Schiedea nuttallii Schiedea nuttallii Plants Hawaii
1894. Schiedea sarmentosa Schiedea sarmentosa Plants Hawaii
1895. Schiedea spergulina var. leiopoda Schiedea spergulina var. leiopoda Plants Hawaii
1896. Schiedea stellarioides Schiedea stellarioides Plants Hawaii
1897. Schiedea verticillata Schiedea verticillata Plants Hawaii
1898. Schwartz's Robber Frog Eleutherodactylus schwartzi Amphibians Virgin Islands (British and US)
1899. Schweinitz's Sunflower Helianthus schweinitzii Plants North Carolina, South Carolina
1900. Scioto Madtom Noturus trautmani Fishes Ohio
1901. Scottbar Salamander Plethodon asupak Amphibians California
1902. Scotts Valley Polygonum Polygonum hickmanii Plants California
1903. Scrub Blazingstar Liatris ohlingerae Plants Florida
1904. Scrub Lupine Lupinus aridorum Plants Florida
1905. Scrub Mint Dicerandra frutescens Plants Florida
1906. Sculpin Snail Stiobia nana Snails Alabama
1907. Sea Otter Enhydra lutris Mammals Canada, Japan, Mexico, Russia, United States
1908. Seabass Epinephelus niveatus Fishes Central America, North America (including United States), Oceanic, South America
1909. Sebastopol Meadowfoam Limnanthes vinculans Plants California
1910. Sebucan Leptocereus grantianus Plants Puerto Rico
1911. Sebucan Leptocereus quadricostatus Plants British Virgin Islands, Puerto Rico
1912. Seepage Salamander Desmognathus aeneus Amphibians Alabama, Georgia, North Carolina, Tennessee
1913. Seminole Siltsnail Cincinnatia vanhyningi Snails Florida
1914. Sentry Milk-vetch Astragalus cremnophylax var. cremnophylax Plants Arizona
1915. Seriatopora aculeata Seriatopora aculeata Corals, Jellyfish, and Sea Anemones Australia, Federated States of Micronesia, Fiji, Indonesia, Japan, Madagascar, Malaysia, New Caledonia, Northern Mariana Islands, Palau, Papua New Guinea, Philippines, Solomon Islands, Vanuatu
1916. Seriatopora dendritica Seriatopora dendritica Corals, Jellyfish, and Sea Anemones Australia, Indonesia, Malaysia, Marshall Islands, Papua New Guinea, Philippines, Singapore, Solomon Islands, Thailand
1917. Shale Barren Rock-cress Arabis serotina Plants Virginia, West Virginia
1918. Shasta Crayfish Pacifastacus fortis Crustaceans California
1919. Shasta Salamander Hydromantes shastae Amphibians California
1920. Shenandoah Mountain Salamander Plethodon virginia Amphibians Virginia, West Virginia
1921. Shenandoah Salamander Plethodon shenandoah Amphibians Virginia
1922. Shiny Pigtoe Fusconaia cor Clams Tennessee, Virginia
1923. Shinyrayed Pocketbook Lampsilis subangulata Clams Alabama, Florida, Georgia
1924. Shivwits Milk-vetch Astragalus ampullarioides Plants Utah
1925. Short's Goldenrod Solidago shortii Plants Kentucky
1926. Short-leaved Rosemary Conradina brevifolia Plants Florida
1927. Short-tailed Albatross Phoebastria albatrus Birds Arkansas, Bering Sea, California, Canada, China, Hawaii, Japan, Mexico, North Pacific Ocean, Oregon, Russia, Taiwan, Washington
1928. Short-tailed Snake Stilosoma extenuatum Reptiles Florida
1929. Shortjaw Cisco Coregonus zenithicus Fishes Canada, United States
1930. Shortnose Cisco Coregonus reighardi Fishes Canada, United States
1931. Shortnose Sturgeon Acipenser brevirostrum Fishes USA and Canada (Atlantic Coast)
1932. Shortnose Sucker Chasmistes brevirostris Fishes California, Oregon
1933. Shortspine Thornyhead Sebastolobus alascanus Fishes Canada, Russia, United States
1934. Shortspire Hornsnail Pleurocera curta Snails Alabama, Kentucky, Tennessee
1935. Shoshone Sculpin Cottus greenei Fishes Idaho
1936. Showy Indian Clover Trifolium amoenum Plants California
1937. Showy Stickseed Hackelia venusta Plants Washington
1938. Shrubby Reed-mustard Schoenocrambe suffrutescens Plants Utah
1939. Shy Ground-dove Gallicolumba stairi Birds American Samoa, Fiji, Samoa, Tonga, Wallis and Futuna
1940. Sierra Nevada Yellow-legged Frog Rana sierrae Amphibians California
1941. Sierra Pygmy Grasshopper Tetrix sierrane Insects California
1942. Silene alexandri Silene alexandri Plants Hawaii
1943. Silene lanceolata Silene lanceolata Plants Hawaii
1944. Silene perlmanii Silene perlmanii Plants Hawaii
1945. Silene polypetala Silene polypetala Plants Florida, Georgia
1946. Silt Elimia Elimia haysiana Snails Alabama
1947. Silver Glen Springs Cave Crayfish Procambarus attiguus Crustaceans Florida
1948. Silver Rice Rat Oryzomys palustris natator Mammals Florida
1949. Siskiyou Chloealtis Grasshopper Chloealtis aspasma Insects Oregon
1950. Siskiyou Mountains Salamander Plethodon stormi Amphibians California, Oregon
1951. Skirted Hornsnail Pleurocera pyrenella Snails Alabama, Georgia
1952. Skistodiaptomus carolinensis Skistodiaptomus carolinensis Crustaceans North Carolina
1953. Slackwater Darter Etheostoma boschungi Fishes Alabama, Tennessee
1954. Slave Raiding Ant Polyergus breviceps Insects Indiana
1955. Slender Campeloma Campeloma decampi Snails Alabama
1956. Slender Chub Erimystax cahni Fishes Tennessee, Virginia
1957. Slender Rush-pea Hoffmannseggia tenella Plants Texas
1958. Slender-horned Spineflower Dodecahema leptoceras Plants California
1959. Slender-petaled Mustard Thelypodium stenopetalum Plants California
1960. Slenderwrist Burrowing Crayfish Fallicambarus petilicarpus Crustaceans Arkansas
1961. Slowwater Elimia Elimia interveniens Snails Alabama, Tennessee
1962. Small Kauai Thrush Myadestes palmeri Birds Hawaii
1963. Small's Milkpea Galactia smallii Plants Florida
1964. Small-anthered Bittercress Cardamine micranthera Plants North Carolina, Virginia
1965. Dubautia microcephala Dubautia microcephala Plants Hawaii
1966. Smalleye Shiner Notropis buccula Fishes Texas
1967. Smalltooth Sawfish  WATCH A LIVE SMALLTOOTH SAWFISH Pristis pectinata Fishes Gulf of Mexico, Texas through Florida (USA), USA - Atlantic: North Carolina through Florida
1968. Smith's Blue Butterfly Euphilotes enoptes smithi Insects California
1969. Smoky Madtom Noturus baileyi Fishes Tennessee
1970. Smooth Coneflower Echinacea laevigata Plants Georgia, Maryland, North Carolina, Pennsylvania, South Carolina, Virginia
1971. Smooth Rocksnail Leptoxis virgata Snails Alabama, North Carolina, Tennessee, Virginia
1972. Snail Darter Percina tanasi Fishes Alabama, Georgia, Tennessee
1973. Snake River Physa Snail Physa natricina Snails Idaho
1974. Snakeroot Eryngium cuneifolium Plants Florida
1975. Sockeye Salmon Oncorhynchus nerka Fishes USA - Snake River, Idaho
1976. Socorro Isopod Thermosphaeroma thermophilum Crustaceans New Mexico
1977. Socorro Springsnail Pyrgulopsis neomexicana Snails New Mexico
1978. Soft Bird's-Beak Cordylanthus mollis ssp. mollis Plants California
1979. Soft-leaved Indian Paintbrush Castilleja mollis Plants California
1980. Solano Grass Tuctoria mucronata Plants California
1981. Solanum drymophilum Solanum drymophilum Plants Puerto Rico
1982. Solanum incompletum Solanum incompletum Plants Hawaii
1983. Solanum sandwicense Solanum sandwicense Plants Hawaii
1984. Sonoma Alopecurus Alopecurus aequalis var. sonomensis Plants California
1985. Sonoma Spineflower Chorizanthe valida Plants California
1986. Sonoma Sunshine Blennosperma bakeri Plants California
1987. Sonora Mud Turtle Kinosternon sonoriense Reptiles Arizona, California, Mexico, Nevada, New Mexico
1988. Sonora Tiger Salamander Ambystoma tigrinum stebbinsi Amphibians Arizona, Mexico
1989. Sooty Crayfish Pacifastacus nigrescens Crustaceans California
1990. Sooty Shearwater Ardenna grisea Birds Africa, Antarctica, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1991. South Mountain Gray-cheeked Salamander Plethodon meridianus Amphibians North Carolina
1992. South Sierra Nevada Springsnail Pyrgulopsis giuliani Snails New Mexico
1993. South Texas Ambrosia Ambrosia cheiranthifolia Plants Texas
1994. Southern Acornshell Epioblasma othcaloogensis Clams Alabama, Georgia, Tennessee
1995. Southern Cavefish Typhlichthys subterraneus Fishes Alabama, Arkansas, Georgia, Indiana, Kentucky, Missouri, Tennessee
1996. Southern Clubshell Pleurobema decisum Clams Alabama, Georgia, Mississippi, Tennessee
1997. Southern Combshell Epioblasma penita Clams Alabama, Mississippi
1998. Southern Giant Clam Tridacna derasa Clams American Samoa, Asia, Australia, North America (United States Territory), Oceanic
1999. Southern Hog-nosed Snake Heterodon simus Reptiles United States
2000. Southern Kidneyshell Ptychobranchus jonesi Clams Alabama, Florida
2001. Southern Pigtoe Pleurobema georgianum Clams Alabama, Georgia, Tennessee
2002. Southern Snaketail Ophiogomphus australis Insects Louisiana, Mississippi
2003. Southwestern Willow Flycatcher Empidonax traillii extimus Birds Arizona, California, Colorado, Mexico, New Mexico, Texas, Utah
2004. Spea hammondii Spea hammondii Amphibians California, Mexico
2005. Speckled Burrowing Crayfish Fallicambarus danielae Crustaceans Alabama, Mississippi
2006. Speckled Dace Rhinichthys osculus Fishes Nevada, Wyoming
2007. Speckled Pocketbook Lampsilis streckeri Clams Arkansas
2008. Sphaerocarpos drewei Sphaerocarpos drewei Plants California
2009. Spikedace Meda fulgida Fishes Arizona, New Mexico
2010. Spindle Elimia Elimia capillaris Snails Alabama, Georgia
2011. Spiny River Snail Io fluvialis Snails Alabama, Tennessee, Virginia
2012. Spiny-tail Crayfish Procambarus fitzpatricki Crustaceans Mississippi
2013. Spiral Hornsnail Pleurocera brumbyi Snails Alabama
2014. Spoon-billed Sandpiper  WATCH A LIVE SPOON-BILLED SANDPIPER Eurynorhynchus pygmeus Birds Bangladesh, Canada, China, India, Japan, Korea, Malaysia, Myanmar, Philippines, Russia, Singapore, Sri Lanka, Taiwan, Thailand, United States (Alaska), Vietnam
2015. Spot-tailed Earless Lizard Holbrookia lacerata Reptiles Mexico, Texas
2016. Spotted Eagle Ray Aetobatus narinari Fishes Africa, Asia, Australia, Central America, Middle East, North America (including United States and US Island Territory and Hawaii), Oceans, South America
2017. Spotted Owl Strix occidentalis Birds Arizona, California, Canada, Mexico, New Mexico, Texas
2018. Spotted Rocksnail Leptoxis picta Snails Alabama
2019. Spotted Turtle Clemmys guttata Reptiles Canada, United States
2020. Sprague's Pipit Anthus spragueii Birds Canada, Mexico, United States
2021. Spreading Avens Geum radiatum Plants North Carolina, Tennessee
2022. Spring Cave Amphipod Stygobromus spinatus Crustaceans West Virginia
2023. Spring Creek Bladderpod Lesquerella perforata Plants Tennessee
2024. Springfish Crenichthys baileyi Fishes Nevada
2025. Spruce-fir Moss Spider Microhexura montivaga Arachnids North Carolina, Tennessee
2026. St. Croix Ground Lizard Ameiva polops Reptiles Virgin Islands
2027. Star Cactus Astrophytum asterias Plants Mexico, Texas
2028. Starlet Sea Anemone Nematostella vectensis Corals, Jellyfish, and Sea Anemones Canada, United Kingdom, United States
2029. Starry Cup Coral Acanthastrea bowerbanki Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceans
2030. Starry Cup Coral Acanthastrea hillae Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
2031. Starry Cup Coral Acanthastrea ishigakiensis Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
2032. Starry Cup Coral Acanthastrea subechinata Corals, Jellyfish, and Sea Anemones Africa, Asia, Australia, Middle East, North America (United States Territory), Oceans
2033. Stebbins' Morning-glory Calystegia stebbinsii Plants California
2034. Steelhead Oncorhynchus mykiss Fishes (endangered population southern California Coast), North Pacific Ocean from the Kamchatka Peninsula in Asia to the northern Baja Peninsula
2035. Stejneger's Petrel Pterodroma longirostris Birds Chile, Federated States of Micronesia, French Polynesia, Guam, Japan, Marshall Islands, New Zealand, Northern Mariana Islands, United States, United States Minor Outlying Islands
2036. Steller Sea-lion  WATCH A LIVE STELLER SEA-LION Eumetopias jubatus Mammals Alaska, California, Canada, North Pacific Ocean, Oregon, Russia, Washington
2037. Steller's Eider Polysticta stelleri Birds Asia, Europe, North America (United States Territory), Oceanic
2038. Steller's Sea-eagle Haliaeetus pelagicus Birds China, Japan, Korea, United States
2039. Stellmack's Cave Amphipod Stygobromus stellmacki Crustaceans Pennsylvania
2040. Stephen's Kangaroo Rat Dipodomys cascus Mammals California
2041. Stephen's Kangaroo Rat Dipodomys stephensi Mammals California
2042. Stirrupshell Quadrula stapes Clams Alabama, Mississippi
2043. Stocky Pebblesnail Somatogyrus crassus Snails Alabama
2044. Stone-leaf Coral Lithophyllon undulatum Corals, Jellyfish, and Sea Anemones American Samoa, Asia, Australia, Oceanic
2045. Streamside Salamander Ambystoma barbouri Amphibians United States
2046. Streptocephalus woottoni Streptocephalus woottoni Crustaceans California
2047. Striated Darter Etheostoma striatulum Fishes Tennessee
2048. Striped Newt Notophthalmus perstriatus Amphibians Florida, Georgia
2049. Sturgeon Chub Macrhybopsis gelida Fishes United States
2050. Subtle Cave Amphipod Stygobromus subtilis Crustaceans Illinois, Michigan, Missouri
2051. Succinea piratarum Succinea piratarum Snails Guam
2052. Succinea quadrasi Succinea quadrasi Snails Guam
2053. Sugarfoot Moth Fly Nemapalpus nearcticus Insects Florida
2054. Suisun Thistle Cirsium hydrophilum var. hydrophilum Plants California
2055. Superb Spharagemon Grasshopper Eximacris superbum Insects Texas
2056. Surge Grouper Epinephelus socialis Fishes American Samoa, Asia, Australia, North America (United States Territory), Oceanic
2057. Suwannee Moccasinshell Medionidus walkeri Clams Florida
2058. Swampforest Clermontia Clermontia waimeae Plants Hawaii
2059. Tahiti Petrel Pseudobulweria rostrata Birds American Samoa, Australia, Cook Islands, Federated States of Micronesia, Fiji, French Polynesia, Guam, New Caledonia, New Zealand, Solomon Islands
2060. Lowfin Gulper Shark Centrophorus lusitanicus Fishes Africa, Asia, Australia, Europe, North America (United States Territory)
2061. Tanner's Black Camel Cricket Utabaenetes tanneri Insects Utah
2062. Tar River Spinymussel Elliptio steinstansana Clams North Carolina
2063. Tawny Nurse Shark Nebrius ferrugineus Fishes Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
2064. Tectaria estremerana Tectaria estremerana Plants Puerto Rico
2065. Tehachapi Slender Salamander Batrachoseps stebbinsi Amphibians California
2066. Telescope Hornsnail Pleurocera walkeri Snails Alabama, Georgia, Kentucky, Tennessee
2067. Tennessee Cave Salamander Gyrinophilus palleucus Amphibians Alabama, Georgia, Tennessee
2068. Tennessee Clubshell Pleurobema oviforme Clams Alabama, Kentucky, Mississippi, North Carolina, Tennessee, Virginia
2069. Tennessee Clubtail Gomphus sandrius Insects Tennessee
2070. Tennessee Pebblesnail Somatogyrus currierianus Snails Alabama
2071. Tennessee Purple Coneflower Echinacea tennesseensis Plants Tennessee
2072. Tennessee Yellow-eyed Grass Xyris tennesseensis Plants Alabama, Georgia, Tennessee
2073. Terlingua Creek Cat's-eye Cryptantha crassipes Plants Texas
2074. Ternstroemia luquillensis Ternstroemia luquillensis Plants Puerto Rico
2075. Ternstroemia subsessilis Ternstroemia subsessilis Plants Puerto Rico
2076. Texas Ayenia Ayenia limitaris Plants Mexico, Texas
2077. Texas Blind Salamander Typhlomolge rathbuni Amphibians Texas
2078. Texas Emerald Somatochlora margarita Insects Louisiana, Texas
2079. Texas Heelsplitter Potamilus amphichaenus Clams Louisiana, Oklahoma, Texas
2080. Texas Hornshell Popenaias popeii Clams Mexico (Coahuila), Texas
2081. Texas Kangaroo Rat Dipodomys elator Mammals Oklahoma, Texas
2082. Texas Poppy-mallow Callirhoe scabriuscula Plants Texas
2083. Texas Prairie Dawn-flower Hymenoxys texana Plants Texas
2084. Texas Salamander Eurycea neotenes Amphibians Texas
2085. Styrax texanus Styrax texanus Plants Texas
2086. Texas Trailing Phlox Phlox nivalis ssp. texensis Plants Texas
2087. Texas Wild-rice Zizania texana Plants Texas
2088. Thick-billed Parrot  WATCH A LIVE THICK-BILLED PARROT Rhynchopsitta pachyrhyncha Birds Arizona, Mexico, New Mexico
2089. Thickshell Pondsnail Stagnicola utahensis Snails Utah
2090. Thin Leaf Lettuce Coral Agaricia tenuifolia Corals, Jellyfish, and Sea Anemones Central America (including United States Territories), South America
2091. Thousand Palms Desert Snail Eremarionta millepalmarum Snails California
2092. Thread-Leaved Loosestrife Lysimachia filifolia Plants Hawaii
2093. Three Nerved Alsinidendron Alsinidendron trinerve Plants Hawaii
2094. Tiburon Jewelflower Streptanthus niger Plants California
2095. Tiburon Paintbrush Castilleja affinis ssp. neglecta Plants California
2096. Tidewater Goby Eucyclogobius newberryi Fishes California
2097. Tidewater Interstitial Amphipod Stygobromus araeus Crustaceans North Carolina, Virginia
2098. Tidewater Stygonectid Amphipod Stygobromus identatus Crustaceans Maryland, North Carolina
2099. Tight Coin Ammonitella yatesii Snails California
2100. Tinian Monarch Monarcha takatsukasae Birds Northern Mariana Islands
2101. Tobusch Fishhook Cactus Ancistrocactus tobuschii Plants Texas
2102. Todsen's Pennyroyal Hedeoma todsenii Plants New Mexico
2103. Tombigbee Riverlet Crayfish Hobbseus petilus Crustaceans Mississippi
2104. Tongue Coral Ctenactis albitentaculata Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
2105. Tonguefern Elaphoglossum serpens Plants Puerto Rico
2106. Tooth Cave Ground Beetle Rhadine persephone Insects Texas
2107. Tooth Cave Pseudoscorpion Tartarocreagris texana Arachnids Texas
2108. Tooth Cave Spider Tayshaneta myopica Arachnids Texas
2109. Toothless Blindcat Trogloglanis pattersoni Fishes Texas
2110. Topeka Shiner Notropis topeka tristis Fishes Iowa, Kansas, Minnesota, Missouri, Nebraska, South Dakota
2111. Torreya Pygmy Grasshopper Tettigidea empedonepia Insects Florida
2112. Towne's Clubtail Stylurus townesi Insects Alabama, Florida, Mississippi, North Carolina, South Carolina, Tennessee
2113. Townsend's Big-eared Bat Corynorhinus townsendii Mammals Arkansas, Kentucky, Missouri, North Carolina, Oklahoma, Virginia, West Virginia
2114. Townsend's Ground Squirrel Spermophilus townsendii Mammals Washington
2115. Townsend's Shearwater Puffinus auricularis Birds Guam, Mexico, Northern Mariana Islands, United States Minor Outlying Islands (Hawaii)
2116. Transverse Grand Pyrg Pyrgulopsis cruciglans Snails Nevada
2117. Dubautia arborea Dubautia arborea Plants Hawaii
2118. Triangular Kidneyshell Ptychobranchus greenii Clams Alabama, Georgia, Tennessee
2119. Trichilia triacantha Trichilia triacantha Plants Puerto Rico
2120. Tricolored Blackbird Agelaius tricolor Birds Mexico, United States (California)
2121. Trindade Petrel Pterodroma arminjoniana Birds Argentina, Brazil, Mauritius, Portugal, Puerto Rico
2122. Trinity Bristle Snail Monadenia setosa Snails California
2123. Triple-ribbed Milk-vetch Astragalus tricarinatus Plants California
2124. Trispot Darter Etheostoma trisella Fishes Alabama, Georgia, Tennessee
2125. Tristram's Storm-petrel Oceanodroma tristrami Birds Hawaii, Northern Mariana Islands
2126. Trochomorpha apia Trochomorpha apia Snails American Samoa
2127. Tropical Lilythorn Catesbaea melanocarpa Plants Puerto Rico, Virgin Islands
2128. Tropidoptera heliciformis Tropidoptera heliciformis Snails Hawaii
2129. Tubercled Blossom Pearlymussel Epioblasma torulosa Clams Alabama, Canada (Ontario), Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
2130. Tulotoma Snail Tulotoma magnifica Snails Alabama
2131. Turbinaria Coral Turbinaria mesenterina Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2132. Turbinaria Coral Turbinaria patula Corals, Jellyfish, and Sea Anemones Asia, Australia, North America (United States Territory), Oceanic
2133. Turbinaria Coral Turbinaria peltata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2134. Turbinaria Coral Turbinaria reniformis Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
2135. Turbinaria Coral Turbinaria stellulata Corals, Jellyfish, and Sea Anemones Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2136. Turgid Blossom Pearlymussel Epioblasma turgidula Clams Tennessee
2137. Turtlefat Auerodendron pauciflorum Plants Puerto Rico
2138. Tuscumbia Darter Etheostoma tuscumbia Fishes Alabama
2139. Twin-striped Clubtail Gomphus geminatus Insects Alabama, Florida, Georgia
2140. Twocleft Stenogyne Stenogyne bifida Plants Hawaii
2141. Unarmored Threespine Stickleback Gasterosteus aculeatus williamsoni Fishes California
2142. Uncompahgre Fritillary Butterfly Boloria acrocnema Insects Colorado
2143. Upland Combshell Epioblasma metastriata Clams Alabama, Georgia, Tennessee
2144. Upland Hornsnail Pleurocera showalteri Snails Alabama, Georgia
2145. Utah Physa Physella utahensis Snails Colorado, Utah, Wyoming
2146. Utah Prairie Dog Cynomys parvidens Mammals Utah
2147. Utah Valvata Snail Valvata utahensis Snails Idaho
2148. Valley Flame Crayfish Cambarus deweesae Crustaceans Kentucky, Tennessee
2149. Varicose Rocksnail Lithasia verrucosa Snails United States
2150. Ventura Marsh Milk-vetch Astragalus pycnostachyus var. lanosissimus Plants California
2151. Vermilion Darter Etheostoma chermocki Fishes Alabama
2152. Vernal Pool Fairy Shrimp Branchinecta lynchi Crustaceans California, Oregon
2153. Vernal Pool Tadpole Shrimp Lepidurus packardi Crustaceans California
2154. Vernonia proctorii Vernonia proctorii Plants Puerto Rico
2155. Vigna o-wahuensis Vigna o-wahuensis Plants Hawaii
2156. Villalba Robber Frog Eleutherodactylus eneidae Amphibians Puerto Rico
2157. Vine Hill Clarkia Clarkia imbricata Plants California
2158. Violet Viola chamissoniana ssp. chamissoniana Plants Hawaii
2159. Violet Viola helenae Plants Hawaii
2160. Violet Viola kauaiensis var. wahiawaensis Plants Hawaii
2161. Violet Viola lanaiensis Plants Hawaii
2162. Violet Viola oahuensis Plants Hawaii
2163. Virgin Islands Robber Frog Eleutherodactylus lentus Amphibians Virgin Islands
2164. Virgin Islands Tree Boa Epicrates monensis granti Reptiles Puerto Rico, Virgin Islands (British and US)
2165. Virgin River Chub Gila seminuda robusta Fishes Arizona, Nevada, Utah
2166. Virginia Fringed Mountain Snail Polygyriscus virginianus Snails Virginia
2167. Virginia Pigtoe Lexingtonia subplana Clams North Carolina, Tennessee, Virginia
2168. Volcanoes Cave Cricket Thaumatogryllus cavicola Insects Hawaii
2169. Vortex Banded Mountain Snail Oreohelix vortex Snails Idaho
2170. Waccamaw Killifish Fundulus waccamensis Fishes North Carolina
2171. Waccamaw Silverside Menidia extensa Fishes North Carolina
2172. Waianae Range Alsinidendron Alsinidendron obovatum Plants Hawaii
2173. Waianae Range Blacksnakeroot Sanicula mariversa Plants Hawaii
2174. Waianae Range Hala Pepe Pleomele forbesii Plants Hawaii
2175. Waianae Range Starviolet Hedyotis degeneri Plants Hawaii
2176. Waianae Range Tetramolopium Tetramolopium lepidotum ssp. lepidotum Plants Hawaii
2177. Waioli Valley Maidenfern Christella wailele Plants Hawaii
2178. Walker's Manihot Manihot walkerae Plants Mexico, Texas
2179. Walnut Elimia Elimia bellula Snails Alabama
2180. Wandering Salamander Aneides vagrans Amphibians California, Canada (British Columbia)
2181. Warner Sucker Catostomus warnerensis Fishes Arizona, Nevada
2182. Washington Ground Squirrel Spermophilus washingtoni Mammals Oregon, Washington
2183. Water-willow Justicia cooleyi Plants Florida
2184. Watercress Darter Etheostoma nuchale Fishes Alabama
2185. Wattle-necked Softshell Turtle Palea steindachneri Reptiles China, Hawaii, Mauritius, Vietnam
2186. Wawae'iole Lycopodium nutans Plants Hawaii
2187. Wekiwa Hydrobe Aphaostracon monas Snails Florida
2188. Wekiwa Siltsnail Cincinnatia wekiwae Snails Florida
2189. Weller's Salamander Plethodon welleri Amphibians North Carolina, Tennessee, Virginia
2190. Wengeror's Cave Amphipod Stygobromus wengerorum Crustaceans California
2191. West Indian Manatee  WATCH A LIVE WEST INDIAN MANATEE Trichechus manatus Mammals Caribbean Sea, South America, Southeastern USA
2192. West Indian Walnut Juglans jamaicensis Plants Cuba, Hispaniola, Puerto Rico
2193. West Indian Whistling-duck Dendrocygna arborea Birds Antigua, Bahamas, Barbuda, British Virgin Islands, Caymans, Cuba, Dominican Republic, Haiti, Jamaica, Puerto Rico, Saint Kitts and Nevis, Turks and Caicos Islands, Virgin Islands
2194. West Virginia Spring Salamander Gyrinophilus subterraneus Amphibians West Virginia
2195. Western Fanshell Mussel Cyprogenia aberti Clams Arkansas, Kansas, Missouri
2196. Western Lily Lilium occidentale Plants California, Oregon
2197. Platanthera praeclara Platanthera praeclara Plants Canada, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota
2198. Westfall's Clubtail Gomphus westfalli Insects Florida
2199. Wet Rock Physa Physella zionis Snails Utah
2200. Whale Shark  WATCH A LIVE WHALE SHARK Rhincodon typus Fishes Africa, American Samoa, Asia, Australia, Central America, Middle East, Oceanic, South America
2201. White Abalone Haliotis sorenseni Snails North America (West Coast from Point Conception, CA, USA, to Punta Abreojos, Baja Californa, Mexico)
2202. White Bladderpod Lesquerella pallida Plants Texas
2203. White Desert Snail Eremarionta immaculata Snails California
2204. White Irisette Sisyrinchium dichotomum Plants North Carolina
2205. White River Spinedace Lepidomeda albivallis Fishes Nevada
2206. White Sands Pupfish Cyprinodon tularosa Fishes New Mexico
2207. White Sturgeon Acipenser transmontanus Fishes Canada (British Columbia), Idaho, Montana
2208. White Wartyback Pearlymussel Plethobasus cicatricosus Clams Alabama, Illinois, Indiana, Kentucky, Tennessee
2209. White-crowned Pigeon Patagioenas leucocephala Birds Central America, North America (including United States), South America
2210. White-eared Pocket Mouse Perognathus alticolus Mammals California
2211. White-necked Crow Corvus leucognaphalus Birds Dominican Republic, Haiti, Puerto Rico
2212. White-necked Petrel Pterodroma cervicalis Birds Asia, Australia, North America (including United States), Oceanic
2213. White-rayed Pentachaeta Pentachaeta bellidiflora Plants California
2214. White-sided Jackrabbit Lepus callotis Mammals Arizona, Mexico, New Mexico
2215. White-spotted Salamander Plethodon punctatus Amphibians Virginia, West Virginia
2216. White-tailed Deer Odocoileus virginianus Mammals Florida, Oregon and Washington (along the Columbian River)
2217. White-throated Ground-dove Gallicolumba xanthonura Birds Federated States of Micronesia, Guam, Northern Mariana Islands
2218. White-throated Storm-petrel Nesofregetta fuliginosa Birds American Samoa, Chile, Fiji, French Polynesia, Kiribati
2219. Whooping Crane Grus americana Birds Canada, Mexico, USA (Rocky Mountains east to Carolinas)
2220. Wide-leaf Warea Warea amplexifolia Plants Florida
2221. Widemouth Blindcat Satan eurystomus Fishes Texas
2222. Wiebke's Beggarticks Bidens wiebkei Plants Hawaii
2223. Wightman's Robber Frog Eleutherodactylus wightmanae Amphibians Puerto Rico
2224. Wild Goat Capra aegagrus Mammals Armenia, Azerbaijan, Georgia, Iran, Pakistan, Russia, Turkey, Turkmenistan
2225. Willowy Monardella Monardella linoides ssp. viminea Plants California, Mexico
2226. Winged Mapleleaf Quadrula fragosa Clams Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Nebraska, Ohio
2227. Wireweed Polygonella basiramia Plants Florida
2228. Wisconsin Well Amphipod Stygobromus putealis Crustaceans Wisconsin
2229. Wolverine Gulo gulo Mammals Canada, China, Estonia, Finland, Mongolia, Norway, Russia, Sweden, United States
2230. Wood River Sculpin Cottus leiopomus Fishes Idaho
2231. Wood Stork  WATCH A LIVE WOOD STORK Mycteria americana Birds Alabama, Florida, Georgia, South Carolina
2232. Wood Turtle Glyptemys insculpta Reptiles Canada, United States
2233. Woodland Caribou Rangifer tarandus caribou Mammals British Columbia, Idaho, Washington
2234. Woodland Ma'oloa Neraudia sericea Plants Hawaii
2235. Woodville Cave Crayfish Procambarus orcinus Crustaceans Florida
2236. Woolly Meadowfoam Limnanthes floccosa Plants California
2237. Woundfin Plagopterus argentissimus Fishes Nevada, Utah
2238. Wreathed Cactus Snail Xerarionta redimita Snails California
2239. Wright Fishhook Cactus Sclerocactus wrightiae Plants Utah
2240. Wyoming Toad Bufo baxteri hemiophrys Amphibians Wyoming
2241. Xantus's Murrelet Synthliboramphus hypoleucus Birds California, Canada, Mexico, Washington
2242. Yadon's Piperia Piperia yadonii Plants California
2243. Yalobusha Riverlet Crayfish Hobbseus yalobushensis Crustaceans Mississippi
2244. Yap Flying Fox Pteropus yapensis Mammals Federated States of Micronesia
2245. Yap Monarch Monarcha godeffroyi Birds Federated States of Micronesia
2246. Yap Olive White-eye Zosterops oleagineus Birds Federated States of Micronesia
2247. Yaqui Chub Gila purpurea Fishes Arizona, New Mexico
2248. Yaqui Sucker Catostomus bernardini Fishes Arizona, Mexico
2249. Yellow Blossom Pearlymussel Epioblasma florentina Clams Alabama, Arkansas, Kentucky, Missouri, North Carolina, Tennessee, Virginia
2250. Yellow Blotched Sawback Graptemys flavimaculata Reptiles Mississippi
2251. Yellow Lampmussel Lampsilis cariosa Clams Canada (New Brunswick, Nova Scotia), United States
2252. Yellow Larkspur Delphinium luteum Plants California
2253. Yellow-crowned Butterflyfish Chaetodon flavocoronatus Fishes Guam
2254. Yellow-shouldered Blackbird Agelaius xanthomus Birds Puerto Rico
2255. Yellow-s