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