Colorado
Snakes in Teller County
3 species have been documented here, 1 of them venomous.
Venomous snakes in Teller 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 Teller County

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Gopher Snake
Pituophis catenifer
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Teller County: FAQ
- Are there venomous snakes in Teller County, Colorado?
- Yes. 1 venomous snake species has verified records in Teller County, Colorado, including Prairie Rattlesnake. Most snakes in Teller County, Colorado, however, are harmless.
- How many snake species live in Teller County, Colorado?
- 3 snake species have verified records in Teller County, Colorado, of which 1 is venomous.
- What is the most commonly seen snake in Teller County, Colorado?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Teller County, Colorado, based on verified wildlife observations.
- What should I do if I see a venomous snake in Teller 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.