Montana
Snakes in Chouteau County
6 species have been documented here, 1 of them venomous.
Venomous snakes in Chouteau 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 Chouteau County
Prairie Rattlesnake
Crotalus viridis
Venomous
Gopher Snake
Pituophis catenifer
Harmless
North American Racer
Coluber constrictor
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Chouteau County: FAQ
- Are there venomous snakes in Chouteau County, Montana?
- Yes. 1 venomous snake species has verified records in Chouteau County, Montana, including Prairie Rattlesnake. Most snakes in Chouteau County, Montana, however, are harmless.
- How many snake species live in Chouteau County, Montana?
- 6 snake species have verified records in Chouteau County, Montana, of which 1 is venomous.
- What is the most commonly seen snake in Chouteau County, Montana?
- The Prairie Rattlesnake is the most frequently reported snake in Chouteau County, Montana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Chouteau 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.