Wisconsin
Snakes in Rock County
6 species have been documented here, and none are venomous.
Every snake recorded in Rock County
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Rock County: FAQ
- Are there venomous snakes in Rock County, Wisconsin?
- No venomous snakes have verified records in Rock County, Wisconsin. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Rock County, Wisconsin?
- 6 snake species have verified records in Rock County, Wisconsin.
- What is the most commonly seen snake in Rock County, Wisconsin?
- The Common Garter Snake is the most frequently reported snake in Rock County, Wisconsin, based on verified wildlife observations.