Know the dangerous ones

Venomous snakes in Yuma County, Arizona

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

Field entries

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.
Commonly seenFull profile →
Crotalus pyrrhus
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
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 →
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.
Often 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.
Occasionally seenFull profile →
Crotalus mitchellii
Speckled Rattlesnake
Crotalus mitchellii
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 →
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.
Occasionally 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.
Rarely seenFull profile →

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