Illinois
Snakes in Clark County
5 species have been documented here, and none are venomous.
Every snake recorded in Clark County
Gray Ratsnake
Pantherophis spiloides
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Black Kingsnake
Lampropeltis nigra
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.