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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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 Connecticut 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 Connecticut:

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. Allegheny Woodrat Neotoma magister Mammals Alabama, Connecticut, Georgia, Indiana, Kentucky, Maryland, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
2. 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
3. Barndoor Winter Skate Dipturus laevis Fishes Canada, United States
4. 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
5. Black Grouper Epinephelus nigritus Fishes Central and South America, Mexico, United States
6. Black Rail Laterallus jamaicensis Birds Central America, North America (including United States), South America
7. Bog Turtle Glyptemys muhlenbergii Reptiles Eastern United States
8. Buff-breasted Sandpiper Tryngites subruficollis Birds Africa, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
9. Dwarf Wedgemussel Alasmidonta heterodon Clams Canada (New Brunswick), United States
10. Formicoxenus provancheri Formicoxenus provancheri Insects Canada, United States
11. Golden-winged Warbler Vermivora chrysoptera Birds Central America, Europe, North America (including United States), Oceanic, South America
12. Gray Wolf  WATCH A LIVE GRAY WOLF Canis lupus Mammals Mexico, United States
13. Greater Prairie-chicken Tympanuchus cupido attwateri Birds Canada, United States
14. Gulf Sturgeon Acipenser oxyrinchus Fishes Canada, United States
15. Henslow's Sparrow Ammodramus henslowii Birds Canada, United States
16. Indiana Bat Myotis sodalis Mammals Eastern and Midwestern USA
17. Lined Seahorse Hippocampus erectus Fishes Central America, North America (including United States), Oceanic, South America
18. New England Cottontail Sylvilagus transitionalis Mammals Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont
19. North Atlantic Right Whale Balaena glacialis Mammals Northern Oceans
20. 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
21. Olive-sided Flycatcher Contopus cooperi Birds Central and South America, North America (including United States)
22. Puritan Tiger Beetle Cicindela puritana Insects Connecticut, Maryland, Massachusetts, New Hampshire, Vermont
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23. Red-headed Woodpecker Melanerpes erythrocephalus Birds Canada, Saint Pierre and Miquelon, United States
24. Ringed Boghaunter Williamsonia lintneri Insects Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, Rhode Island, Wisconsin
25. Roseate Tern Sterna dougallii dougallii Birds Northeastern USA
26. Rusty Blackbird Euphagus carolinus Birds Saint Pierre and Miquelon, United States
27. Saltmarsh Sharp-tailed Sparrow Ammodramus caudacutus Birds Canada, United States
28. Sandplain Gerardia Agalinis acuta Plants Connecticut, Maryland, Massachusetts, New York, Rhode Island
29. Scarlet Bluet Enallagma pictum Insects Connecticut, Maine, Massachusetts, New Jersey, New York, Rhode Island
30. Shortnose Sturgeon Acipenser brevirostrum Fishes USA and Canada (Atlantic Coast)
31. Spotted Turtle Clemmys guttata Reptiles Canada, United States
32. Wood Turtle Glyptemys insculpta Reptiles Canada, United States
33. Yellow Lampmussel Lampsilis cariosa Clams Canada (New Brunswick, Nova Scotia), United States

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