Wisconsin
Snakes in Ozaukee County
4 species have been documented here, and none are venomous.
Every snake recorded in Ozaukee County

Common Garter Snake
Thamnophis sirtalis
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Butler's Garter Snake
Thamnophis butleri
Harmless

Common Watersnake
Nerodia sipedon
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Ozaukee County: FAQ
- Are there venomous snakes in Ozaukee County, Wisconsin?
- No venomous snakes have verified records in Ozaukee County, Wisconsin. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Ozaukee County, Wisconsin?
- 4 snake species have verified records in Ozaukee County, Wisconsin.
- What is the most commonly seen snake in Ozaukee County, Wisconsin?
- The Common Garter Snake is the most frequently reported snake in Ozaukee County, Wisconsin, based on verified wildlife observations.