South Dakota
Snakes in Day County
3 species have been documented here, and none are venomous.
Every snake recorded in Day County
Plains Garter Snake
Thamnophis radix
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Day County: FAQ
- Are there venomous snakes in Day County, South Dakota?
- No venomous snakes have verified records in Day County, South Dakota. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Day County, South Dakota?
- 3 snake species have verified records in Day County, South Dakota.
- What is the most commonly seen snake in Day County, South Dakota?
- The Plains Garter Snake is the most frequently reported snake in Day County, South Dakota, based on verified wildlife observations.