New Mexico
Snakes in Rio Arriba County
16 species have been documented here, 2 of them venomous.
Venomous snakes in Rio Arriba 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.
Every snake recorded in Rio Arriba County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Glossy Snake
Arizona elegans
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.