New Mexico
Snakes in Sandoval County
26 species have been documented here, 5 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.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
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
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
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
Tantilla selmae
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
Sinaloan Nightsnake
Hypsiglena torquata
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
Western Massasauga
Sistrurus tergeminus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.