7 Rattlesnake Species Native To Arizona

Western Diamondback Rattlesnake

The Western Diamondback Rattlesnake (Crotalus atrox) is an iconic symbol of the American West, renowned for its size and distinctive appearance. It is the largest rattlesnake species found.

Mojave Rattlesnake

The Mojave Rattlesnake (Crotalus scutulatus) is smaller than the Western Diamondback but is notable for its highly potent venom. Unlike most rattlesnakes in North America that primarily use hemotoxic venom.

Blacktail Rattlesnake

The Blacktail Rattlesnake (Crotalus molossus) is admired for its strikingly beautiful coloration and pattern, characterized by high-contrast markings. Despite being a member of the rattlesnake family.

Banded Rock Rattlesnake

The Banded Rock Rattlesnake (Crotalus lepidus klauberi) is one of several montane rattlesnake species found in Arizona. They are small and visually appealing, featuring distinct banding patterns that vary in coloration. 

Desert Massasauga Rattlesnake

The Desert Massasauga Rattlesnake (Sistrurus catenatus edwardsii) is a small species belonging to the pygmy genus of rattlesnakes. Found in specific regions, including Arizona, they are characterized by their diminutive size.

Sidewinder Rattlesnake

The Sidewinder Rattlesnake (Crotalus cerastes) is well-adapted to desert environments, characterized by its unique sidewinding locomotion. This adaptation allows them to move efficiently on sandy terrain.

Great Basin Rattlesnake

The Great Basin Rattlesnake (Crotalus oreganus lutosus) is notable for its remarkable variability in coloration and pattern, making each individual snake unique in appearance. Found in the Great Basin region spanning across Utah.