Montana
Snakes in Sweet Grass County
5 species have been documented here, 1 of them venomous.
Venomous snakes in Sweet Grass County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Sweet Grass County

Gopher Snake
Pituophis catenifer
Harmless

North American Racer
Coluber constrictor
Harmless

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Sweet Grass County: FAQ
- Are there venomous snakes in Sweet Grass County, Montana?
- Yes. 1 venomous snake species has verified records in Sweet Grass County, Montana, including Prairie Rattlesnake. Most snakes in Sweet Grass County, Montana, however, are harmless.
- How many snake species live in Sweet Grass County, Montana?
- 5 snake species have verified records in Sweet Grass County, Montana, of which 1 is venomous.
- What is the most commonly seen snake in Sweet Grass County, Montana?
- The Gopher Snake is the most frequently reported snake in Sweet Grass County, Montana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Sweet Grass County, Montana?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.