Illinois
Snakes in Logan County
11 species have been documented here, 1 of them venomous.
Venomous snakes in Logan County
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Logan County
Plains Garter Snake
Thamnophis radix
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Queensnake
Regina septemvittata
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.