Colorado
Snakes in San Miguel County
4 species have been documented here, 1 of them venomous.
Venomous snakes in San Miguel 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 San Miguel County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Smooth Greensnake
Opheodrys vernalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in San Miguel County: FAQ
- Are there venomous snakes in San Miguel County, Colorado?
- Yes. 1 venomous snake species has verified records in San Miguel County, Colorado, including Prairie Rattlesnake. Most snakes in San Miguel County, Colorado, however, are harmless.
- How many snake species live in San Miguel County, Colorado?
- 4 snake species have verified records in San Miguel County, Colorado, of which 1 is venomous.
- What is the most commonly seen snake in San Miguel County, Colorado?
- The Western Terrestrial Garter Snake is the most frequently reported snake in San Miguel County, Colorado, based on verified wildlife observations.
- What should I do if I see a venomous snake in San Miguel County, Colorado?
- 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.