http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html C. atrox crotalus atrox Western Diamond-Backed Rattlesnake http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html http://www.reptilesofaz.org/Snakes-Subpages/h-c-atrox.html