Western diamondback rattlesnake
Crotalus atrox
Description: The body is a light buff color with darker brown diamond-shaped markings. The tail has heavy black and white bands.
Characteristics: This bold rattlesnake holds its ground. When coiled and rattling, it is ready to defend itself. It injects a large amount of venom when it bites, making it one of the most dangerous snakes. Its venom is hemotoxic, causing considerable pain and tissue damage.
Habitat: It is a very common snake over its range. It is found in grasslands, deserts, woodlands, and canyons.
Length: Average 1.5 meters (5 feet), maximum 2 meters (7 feet).
Distribution: Southwest United States, particularly southeast California, Oklahoma, Texas, New Mexico, and Arizona (Figure E-17).
Figure E-17. Western Diamondback Rattlesnake Habitat