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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 Centipedes   Clams   Corals, Jellyfish, and Sea Anemones   Crustaceans  
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 Reptiles   Snails   Worms    

Note/Disclaimer: This list is made possible through a database keyword search/filtering process which may not be 100% accurate. Therefore, all endangered species of Colorado may not be listed here. For a complete list of endangered species in North America, browse the North America endangered species list or see the complete United States List.

Endangered species found in Colorado:

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 NameScientific NameGroupRange
1. Bonytail Chub Gila elegans Fishes Arizona, California, Colorado, Nevada, Utah, Wyoming
2. Buff-breasted Sandpiper Tryngites subruficollis Birds Africa, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
3. Cassin's Finch Haemorhous cassinii Birds Canada, Mexico, United States
4. Chestnut-collared Longspur Calcarius ornatus Birds North America (including United States)
5. Clay-loving Wild-buckwheat Eriogonum pelinophilum Plants Colorado
6. Colorado Checkered Whiptail Aspidoscelis neotesselata Reptiles Colorado
7. Colorado Pikeminnow Ptychocheilus lucius Fishes Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
8. Golden-winged Warbler Vermivora chrysoptera Birds Central America, Europe, North America (including United States), Oceanic, South America
9. Gray Wolf  WATCH A LIVE GRAY WOLF Canis lupus Mammals Mexico, United States
10. Greater Prairie-chicken Tympanuchus cupido attwateri Birds Canada, United States
11. Greater Sage-grouse Centrocercus urophasianus Birds Canada, United States
12. Gunnison Sage Grouse Centrocercus minimus Birds Colorado, Utah
13. Humpback Chub Gila cypha Fishes Arizona, Colorado, Utah, Wyoming
14. Knowlton Cactus Pediocactus knowltonii Plants Colorado, New Mexico
15. Lesser Prairie-chicken Tympanuchus pallidicinctus Birds Colorado, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, Texas
16. Mancos Milk-vetch Astragalus humillimus Plants Colorado, New Mexico
17. Monomorium talbotae Monomorium talbotae Insects United States
18. Mountain Plover Charadrius montanus Birds Canada, Mexico, United States
19. North Park Phacelia Phacelia formosula Plants Colorado
20. Olive-sided Flycatcher Contopus cooperi Birds Central and South America, North America (including United States)
21. Osterhout Milkvetch Astragalus osterhoutii Plants Colorado
22. Penland Beardtongue Penstemon penlandii Plants Colorado
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23. Pheidole elecebra Pheidole elecebra Insects United States (Colorado)
24. Pheidole inquilina Pheidole inquilina Insects United States (Colorado)
25. Pinyon Jay Gymnorhinus cyanocephalus Birds United States
26. Razorback Sucker Xyrauchen texanus Fishes Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
27. Rocky Mountain Capshell Acroloxus coloradensis Snails Canada, United States
28. Rusty Blackbird Euphagus carolinus Birds Saint Pierre and Miquelon, United States
29. Southwestern Willow Flycatcher Empidonax traillii extimus Birds Arizona, California, Colorado, Mexico, New Mexico, Texas, Utah
30. Uncompahgre Fritillary Butterfly Boloria acrocnema Insects Colorado
31. Utah Physa Physella utahensis Snails Colorado, Utah, Wyoming
32. Whooping Crane Grus americana Birds Canada, Mexico, USA (Rocky Mountains east to Carolinas)

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