Illinois
Snakes in Calhoun County
10 species have been documented here, and none are venomous.
Every snake recorded in Calhoun County
Ring-necked Snake
Diadophis punctatus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Western Worm Snake
Carphophis vermis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.