New Mexico
Snakes in Sandoval County
22 species have been documented here, 4 of them venomous.
Venomous snakes in Sandoval County
Full guide & what to do if bitten →
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern Black-tailed RattlesnakeCrotalus ornatusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Western Black-tailed RattlesnakeCrotalus molossusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Sandoval County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Prairie Rattlesnake
Crotalus viridis
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Glossy Snake
Arizona elegans
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Eastern Black-tailed Rattlesnake
Crotalus ornatus
Venomous
Western Black-tailed Rattlesnake
Crotalus molossus
Venomous
North American Racer
Coluber constrictor
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Sandoval County: FAQ
- Are there venomous snakes in Sandoval County, New Mexico?
- Yes. 4 venomous snake species have verified records in Sandoval County, New Mexico, including Western Diamond-backed Rattlesnake, Prairie Rattlesnake, Eastern Black-tailed Rattlesnake, Western Black-tailed Rattlesnake. Most snakes in Sandoval County, New Mexico, however, are harmless.
- How many snake species live in Sandoval County, New Mexico?
- 20+ snake species have verified records in Sandoval County, New Mexico, of which 4 are venomous.
- What is the most commonly seen snake in Sandoval County, New Mexico?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Sandoval County, New Mexico, based on verified wildlife observations.
- What should I do if I see a venomous snake in Sandoval 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.