http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html [Western Diamondback] Rattlesnake Western Diamondback Rattlesnake Western Diamond-backed Rattlesnake Western Diamondback Western Diamondback Western Diamondback Western Diamond-backed Rattlesnake Western Diamond-backed Rattlesnake Western Diamond-backed Rattlesnake Western Diamond-backed Rattlesnake Western Diamondback Western Diamond-backed Western Diamondback Western Diamond-backed Rattlesnake Western Diamond-backed Rattlesnake Western Diamond-backed Rattlesnake Western Diamondback rattlesnake crotalus atrox diamondback Crotalus atrox Western Diamondback Western Diamondback