New Mexico
Snakes in Hidalgo County
51 species have been documented here, 9 of them venomous.
Venomous snakes in Hidalgo 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.
Mojave RattlesnakeCrotalus scutulatusVenomousHeavy 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.
Western Black-tailed RattlesnakeCrotalus molossusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rock RattlesnakeCrotalus lepidusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Ridge-nosed RattlesnakeCrotalus willardiVenomousHeavy 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.
Sonoran CoralsnakeMicruroides euryxanthusVenomousRed, yellow (whitish), and black rings with red touching yellow; blunt black snout.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Hidalgo County
Compiled from verified GBIF & iNaturalist observations. Informational only.