Illinois
Snakes in McDonough County
5 species have been documented here, and none are venomous.
Every snake recorded in McDonough County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in McDonough County: FAQ
- Are there venomous snakes in McDonough County, Illinois?
- No venomous snakes have verified records in McDonough County, Illinois. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in McDonough County, Illinois?
- 5 snake species have verified records in McDonough County, Illinois.
- What is the most commonly seen snake in McDonough County, Illinois?
- The Common Garter Snake is the most frequently reported snake in McDonough County, Illinois, based on verified wildlife observations.