Southwestern Speckled Rattlesnake, Crotalus Pyrrhus, Resting On A Rock At The Dallas City Zoo In Texas. Stock Photo

Pictured is a crotalus pyrrhus, resting on a rock at the Dallas City Zoo in Texas. Common names are Southwestern speckled rattlesnake, bleached rattlesnake, Mitchell`s rattlesnake, pale rattler, pallid rattlesnake, red rattlesnake, speckled rattlesnake and white rattlesnake. The snake is is a venomous pitviper species found in the southwestern United States and northwestern Mexico.