Snakes in Montana
Montana has just ten snake species, of which only one, i.e., the prairie rattlesnake, is venomous. It mainly inhabits the state, except for the northwestern corner. The gopher or bull snake is the state’s largest, around 48-66 inches.
| Group | Venomous | Non-venomous |
|---|---|---|
| Rattlesnakes | Prairie Rattlesnake | |
| Garter Snakes | Common Garter Snake Western Terrestrial Garter Snake Plains Garter Snake | |
| Charina | – | Northern Boa |
| Kingsnakes | – | Western Milk Snake |
| Hognose Snakes | – | Plains Hognose Snake |
| Pituophis | – | Gopher Snake (Bull Snake) |
| Coluber | North American Racer | |
| Opheodrys | – | Smooth Green Snake |
