Know the dangerous ones

Venomous snakes in Cochise County, Arizona

13 venomous snake species have verified records in Cochise County. Learn to recognize each one, and know what to do if you are bitten.

Field entries

Crotalus atrox
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Commonly seenFull profile →
Crotalus scutulatus
Mojave Rattlesnake
Crotalus scutulatus
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Commonly seenFull profile →
Crotalus molossus
Western Black-tailed Rattlesnake
Crotalus molossus
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Commonly seenFull profile →
Crotalus lepidus
Rock Rattlesnake
Crotalus lepidus
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Commonly seenFull profile →
Crotalus pricei
Twin-spotted Rattlesnake
Crotalus pricei
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Often seenFull profile →
Micruroides euryxanthus
Sonoran Coralsnake
Micruroides euryxanthus
Venomous
How to identify
Red, yellow (whitish), and black rings with red touching yellow; blunt black snout.
Often seenFull profile →
Crotalus willardi
Ridge-nosed Rattlesnake
Crotalus willardi
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Often seenFull profile →
Sistrurus catenatus
Eastern Massasauga
Sistrurus catenatus
Venomous
How to identify
Stout, dark-blotched body, nine large scales on the crown, and a small rattle.
Often seenFull profile →
Crotalus cerberus
Arizona Black Rattlesnake
Crotalus cerberus
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Occasionally seenFull profile →
Sistrurus tergeminus
Western Massasauga
Sistrurus tergeminus
Venomous
How to identify
Stout, dark-blotched body, nine large scales on the crown, and a small rattle.
Occasionally seenFull profile →
Crotalus viridis
Prairie Rattlesnake
Crotalus viridis
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rarely seenFull profile →
Crotalus tigris
Tiger Rattlesnake
Crotalus tigris
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rarely seenFull profile →
Crotalus cerastes
Sidewinder
Crotalus cerastes
Venomous
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rarely seenFull profile →

Looking for all snakes here, not just the venomous ones? See all snakes in Cochise County.