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