New Mexico
Snakes in San Juan County
8 species have been documented here, 1 of them venomous.
Venomous snakes in San Juan 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 Juan County
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Glossy Snake
Arizona elegans
Harmless
North American Racer
Coluber constrictor
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in San Juan County: FAQ
- Are there venomous snakes in San Juan County, New Mexico?
- Yes. 1 venomous snake species has verified records in San Juan County, New Mexico, including Prairie Rattlesnake. Most snakes in San Juan County, New Mexico, however, are harmless.
- How many snake species live in San Juan County, New Mexico?
- 8 snake species have verified records in San Juan County, New Mexico, of which 1 is venomous.
- What is the most commonly seen snake in San Juan County, New Mexico?
- The Gopher Snake is the most frequently reported snake in San Juan County, New Mexico, based on verified wildlife observations.
- What should I do if I see a venomous snake in San Juan County, New Mexico?
- 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.