Iowa
Snakes in Palo Alto County
3 species have been documented here, and none are venomous.
Every snake recorded in Palo Alto County

Plains Garter Snake
Thamnophis radix
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Palo Alto County: FAQ
- Are there venomous snakes in Palo Alto County, Iowa?
- No venomous snakes have verified records in Palo Alto County, Iowa. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Palo Alto County, Iowa?
- 3 snake species have verified records in Palo Alto County, Iowa.
- What is the most commonly seen snake in Palo Alto County, Iowa?
- The Plains Garter Snake is the most frequently reported snake in Palo Alto County, Iowa, based on verified wildlife observations.