South Dakota
Snakes in Day County
4 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
Plains Hognose Snake
Heterodon nasicus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.