Illinois
Snakes in Marshall County
8 species have been documented here, and none are venomous.
Every snake recorded in Marshall County
Common Watersnake
Nerodia sipedon
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Queensnake
Regina septemvittata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.