Iowa
Snakes in Monona County
8 species have been documented here, and none are venomous.
Every snake recorded in Monona County
Graham's Crawfish Snake
Regina grahamii
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Monona County: FAQ
- Are there venomous snakes in Monona County, Iowa?
- No venomous snakes have verified records in Monona County, Iowa. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Monona County, Iowa?
- 8 snake species have verified records in Monona County, Iowa.
- What is the most commonly seen snake in Monona County, Iowa?
- The Graham's Crawfish Snake is the most frequently reported snake in Monona County, Iowa, based on verified wildlife observations.