Arizona
Snakes in Maricopa County
55 species have been documented here, 11 of them venomous.
Venomous snakes in Maricopa 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.
SidewinderCrotalus cerastesVenomousHeavy 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.
Southwestern Speckled RattlesnakeCrotalus pyrrhusVenomousHeavy 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.
Tiger RattlesnakeCrotalus tigrisVenomousHeavy 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.
Speckled RattlesnakeCrotalus mitchelliiVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Arizona Black RattlesnakeCrotalus cerberusVenomousHeavy 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.
Ridge-nosed RattlesnakeCrotalus willardiVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Maricopa County
Compiled from verified GBIF & iNaturalist observations. Informational only.