Illinois
Snakes in Marion County
9 species have been documented here, and none are venomous.
Every snake recorded in Marion County
Gray Ratsnake
Pantherophis spiloides
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.