Montana
Snakes in Sheridan County
3 species have been documented here, and none are venomous.
Every snake recorded in Sheridan County
Plains Garter Snake
Thamnophis radix
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.