Illinois
Snakes in Macoupin County
11 species have been documented here, and none are venomous.
Every snake recorded in Macoupin County
Common Watersnake
Nerodia sipedon
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
North American Racer
Coluber constrictor
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.