Western Diamondback Rattlesnake - South-Western USA - One of the larger species of rattlesnake common to the arid Southwest United States. From the sheer standpoint of size it ranks as one of the world's largest and most dangerous snakes.
A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation's roads, leaving those snakes with non-migrating tendencies behind to breed.
Poisonous Snakes of the Americas:#11-Weastern diamondback rattlesnake: Light buff color,dark brown diamond-shaped markings.Tail has heavy black & white bands. When coiled & rattling, it's ready to strike.Injects large amount of venom which is hemotoxic,causing severe pain & tissue damage.Found in grasslands,deserts,woodlands canyons. Length 1.5-2 meters. Southeast California,Oklahoma,Texas,New Mexico,Arizona.