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Endangered Species in Illinois
Endangered and threatened species with a current range in this state
- Listed species
- 33
- Endangered
- 22
- Threatened
- 11
Species are listed under the Endangered Species Act as endangered or threatened, with the counties where the U.S. Fish and Wildlife Service records their current range. A county listing means the species is known or believed to occur there, not that it lives at any particular property. Some species protected only by NOAA Fisheries may not be listed.
Clams (14)
- ClubshellPleurobema clavaWherever found; Except where listed as Experimental PopulationsEndangeredListed 01/22/1993 · 6 counties
- FanshellCyprogenia stegariaEndangeredListed 06/21/1990 · 8 counties
- Fat pocketbookPotamilus capaxEndangeredListed 06/14/1976 · 12 counties
- Higgins eye (pearlymussel)Lampsilis higginsiiEndangeredListed 06/14/1976 · 13 counties
- LongsolidFusconaia subrotundaThreatenedListed 04/10/2023 · 4 counties
- Northern riffleshellEpioblasma rangianaEndangeredListed 01/22/1993 · 3 counties
- Orangefoot pimpleback (pearlymussel)Plethobasus cooperianusEndangeredListed 06/14/1976 · 6 counties
- Pink mucket (pearlymussel)Lampsilis abruptaEndangeredListed 06/14/1976 · 7 counties
- RabbitsfootQuadrula cylindrica cylindricaThreatenedListed 10/17/2013 · 6 counties
- Ring PinkObovaria retusaEndangeredListed 09/29/1989 · 6 counties
- Rough pigtoePleurobema plenumEndangeredListed 06/14/1976 · 6 counties
- Sheepnose MusselPlethobasus cyphyusEndangeredListed 04/12/2012 · 14 counties
- Snuffbox musselEpioblasma triquetraEndangeredListed 03/15/2012 · 2 counties
- Spectaclecase (mussel)Cumberlandia monodontaEndangeredListed 04/12/2012 · 13 counties
Flowering Plants (7)
- Decurrent false asterBoltonia decurrensThreatenedListed 11/14/1988 · 26 counties
- Eastern prairie fringed orchidPlatanthera leucophaeaThreatenedListed 09/28/1989 · 47 counties
- Lakeside daisyHymenoxys herbaceaThreatenedListed 06/23/1988 · 4 counties
- Leafy prairie-cloverDalea foliosaEndangeredListed 05/01/1991 · 3 counties
- Mead's milkweedAsclepias meadiiThreatenedListed 09/01/1988 · 11 counties
- Pitcher's thistleCirsium pitcheriThreatenedListed 07/18/1988 · 1 county
- Prairie bush-cloverLespedeza leptostachyaThreatenedListed 01/09/1987 · 7 counties
Birds (3)
- Piping PloverCharadrius melodus[Atlantic Coast and Northern Great Plains populations] - Wherever found, except those areas where listed as endangered.ThreatenedListed 12/11/1985 · 7 counties
- Piping PloverCharadrius melodus[Great Lakes watershed DPS] - Great Lakes, watershed in States of IL, IN, MI, MN, NY, OH, PA, and WI and Canada (Ont.)EndangeredListed 12/11/1985 · 2 counties
- rufa red knotCalidris canutus rufaThreatenedListed 01/12/2015 · 2 counties
Mammals (3)
- Gray batMyotis grisescensEndangeredListed 04/28/1976 · 29 counties
- Indiana batMyotis sodalisEndangeredListed 03/11/1967 · 96 counties
- Northern Long-Eared BatMyotis septentrionalisEndangeredListed 05/04/2015 · 99 counties
Insects (2)
- Hine's emerald dragonflySomatochlora hineanaEndangeredListed 01/26/1995 · 10 counties
- Rusty patched bumble beeBombus affinisEndangeredListed 03/21/2017 · 26 counties
Crustaceans (1)
- Illinois cave amphipodGammarus acherondytesEndangeredListed 09/03/1998 · 2 counties
Fishes (1)
- Pallid sturgeonScaphirhynchus albusEndangeredListed 09/06/1990 · 8 counties
Reptiles (1)
- Eastern Massasauga (=rattlesnake)Sistrurus catenatusThreatenedListed 09/30/2016 · 15 counties
Snails (1)
- Iowa Pleistocene snailDiscus macclintockiEndangeredListed 08/02/1978 · 1 county
Source: U.S. Fish and Wildlife Service, ECOS
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