Crotalus cerastes - Sidewinder
The sidewinder (Crotalus cerastes), also known as the horned rattlesnake and sidewinder rattlesnake, is a venomous pit viper species that live in the southwestern United States, this species is found in the desert region of south eastern California, southern Nevada, southwestern Utah, and western Arizona. In northwestern Mexico, it is found in western Sonora and eastern Baja California.