Arizona Black Rattlesnake
Found in the United States, in Arizona from the Hualapai Mountains and Cottonwood Cliffs in the northwest of the state, southeast to the Santa Catalina, Rincon, Pinaleno and Blue Mountains. Also found at Steeple Rock, in extreme western New Mexico. The type locality given is "San Francisco Mountains" (Coconino, Arizona, USA).

It preys upon suitably sized amphibians, reptiles, birds and their eggs, and mammals.

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