New Mexico
Snakes in Santa Fe County
25 species have been documented here, 3 of them venomous.
Venomous snakes in Santa Fe 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.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy 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 Santa Fe County
Gopher Snake
Pituophis catenifer
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Glossy Snake
Arizona elegans
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.