Illinois
Snakes in Richland County
13 species have been documented here, and none are venomous.
Every snake recorded in Richland County
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
North American Racer
Coluber constrictor
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Richland County: FAQ
- Are there venomous snakes in Richland County, Illinois?
- No venomous snakes have verified records in Richland County, Illinois. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Richland County, Illinois?
- 10+ snake species have verified records in Richland County, Illinois.
- What is the most commonly seen snake in Richland County, Illinois?
- The Common Garter Snake is the most frequently reported snake in Richland County, Illinois, based on verified wildlife observations.