List of snakes of Illinois

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Snake species known to be found in the U.S. state of Illinois. [1] Concerns and listed statuses come from the Illinois Endangered Species Protection Board's February 2011 Checklist of endangered and threatened animals and plants of Illinois and the Illinois Natural History Survey's website. [1] [2]

ImageScientific nameCommon nameFamilyVenomousConservation
concern
Agkistrodon contortrix contortrix CDC-a.png Agkistrodon contortrix eastern copperhead Viperidae YesLocally abundant
Agkistrodon piscivorus leucostoma.jpg Agkistrodon piscivorus northern cottonmouth
water moccasin		ViperidaeYesLocally abundant
Carphophis amoenus helenae midwestern worm snake Colubridae NoLocally abundant
Carphophis vermis western worm snake.JPG Carphophis vermis midwestern worm snakeColubridaeNoLocally abundant
Clonophis kirtlandii Kirtland's snakeColubridaeNoState Threatened
Cemophora coccinea copei northern scarlet snakeColubridaeNoCurrent existence in IL uncertain. Single specimen vouchered in 1942.
Coiledblueracersnake.jpg Coluber constrictor foxii blue racerColubridaeNo
Blackracer111805.JPG Coluber constrictor priapus southern black racerColubridaeNoLocally common
Timber Rattlesnake Image 004.jpg Crotalus horridus timber rattlesnake
canebrake rattlesnake		ViperidaeYesState Threatened
Diadophis punctatus arnyi prairie ringneck snakeColubridaeNoLocally abundant
Diadophis punctatus edwardsii crop.jpg Diadophis punctatus edwardsii northern ringneck snakeColubridaeNoLocally abundant
Diadophis punctatus stictogenys Mississippi ringneck snakeColubridaeNoLocally abundant
Farancia abacura reinwardtii western mud snakeColubridaeNoRarely seen
Heterodon nasicus gloydi dusty hognose snakeColubridaeNo
Heterodon nasicus.jpg Heterodon nasicus nasicus plains hognose snakeColubridaeNoState Threatened
Heterodon platirhinosPCCA20060423-3588B.jpg Heterodon platirhinos eastern hognose snakeColubridaeNoLocally common
Lampropeltis calligaster calligaster.jpg Lampropeltis calligaster calligaster prairie kingsnakeColubridaeNoLocally common
Speckled King Snake.jpg Lampropeltis getula holbrooki speckled kingsnakeColubridaeNoLocally common
Black Kingsnake (Lampropeltis getula niger).jpg Lampropeltis getula niger black kingsnakeColubridaeNoLocally common
Tennessee milksnake.jpg Lampropeltis triangulum triangulum eastern milk snakeColubridaeNoNot commonly seen
Red milk snake.JPG Lampropeltis triangulum syspila red milk snakeColubridaeNoNot commonly seen
Masticophis flagellum flagellum.jpg Masticophis flagellum flagellum eastern coachwhipColubridaeNoState Endangered
Nerodia cyclopion Mississippi green water snakeColubridaeNoState Threatened
Nerodia erythrogaster flavigaster.jpg Nerodia erythrogaster flavigaster yellowbelly water snakeColubridaeNo
Copperbelly water snake.jpg Nerodia erythrogaster neglecta copperbelly water snakeColubridaeNo"protected as though it were listed in Illinois" [1]
BandedWaterSnakeFeedingCoosaRiver.JPG Nerodia fasciata confluens broad-banded water snakeColubridaeNoState Endangered
Diamondback Watersnake.jpg Nerodia rhombifer diamondback water snakeColubridaeNoLocally common
Nerodia sipedonPCSL02111B1.jpg Nerodia sipedon pleuralis midland water snakeColubridaeNo
Nerodia sipedon sipedon northern water snakeColubridaeNoAbundant
Rough Green Snake 0589.jpg Opheodrys aestivus rough green snakeColubridaeNoLocally abundant
Smooth Green Snake.jpg Opheodrys vernalis smooth green snakeColubridaeNoNot abundant
Pantherophis guttatus emoryi.jpg Pantherophis emoryi Great Plains ratsnakeColubridaeNoState Endangered
Pantherophis spiloides gray ratsnakeColubridaeNoLocally common
Pantherophis vulpina.jpg Pantherophis vulpina Western fox snakeColubridaeNoLocally common
Pituophis catenifer sayi 007.jpg Pituophis catenifer sayi gophersnake
bullsnake		ColubridaeNoLocally common
Washington DC Zoo - Pituophis melanoleucus 1.jpg Pituophis melanoleucus melanoleucus northern pine snakeColubridaeNo
Regina grahamii Graham's crayfish snakeColubridaeNoWidespread but uncommon
Regina septemvittataPCCA20060513-3674B.jpg Regina septemvittata queen snakeColubridaeNoLocally abundant
Massasauga rattlesnake 1.jpg Sistrurus catenatus catenatus Eastern massasaugaViperidaeYes
Storeria dekayi 1.jpg Storeria dekayi wrightorum midland brown snake
De Kay's brown snake		ColubridaeNoCommon
Redbelly Snake - Storeria occipitomaculata occipitomaculata.jpg Storeria occipitomaculata occipitomaculata northern redbelly snakeColubridaeNoLocally abundant
Tantilla gracilis.jpg Tantilla gracilis flat-headed snakeColubridaeNoState Threatened
Thamnophis proximus proximus western ribbon snakeColubridaeNoLocally common
Plains gartersnake.jpg Thamnophis radix plains ribbon snakeColubridaeNoCommon in north half of state
EasternRibbonSnake.jpg Thamnophis saurita saurita eastern ribbon snakeColubridaeNoState Threatened
Thamnophis saurita septentrionalis northern ribbon snakeColubridaeNo
Thamnophis sirtalis semifasciatus Chicago garter snakeColubridaeNo
Thamnophis sirtalis sirtalis Wooster.jpg Thamnophis sirtalis sirtalis common garter snakeColubridaeNoCommon
Tropidoclonion lineatum lineatum northern lined snakeColubridaeNoState Threatened
Virginia valeriae elegans - Western Smooth Earth Snake.PNG Virginia valeriae elegans western earth snakeColubridaeNo

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References

  1. 1 2 3 "Illinois Herpetology Species List". Illinois Natural History Survey. Retrieved June 16, 2012.
  2. ↑ "Checklist of Endangered and Threatened Animals and Plants of Illinois" (PDF). Illinois Endangered Species Protection Board. Archived from the original (PDF) on June 26, 2013. Retrieved June 17, 2012.
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