Photo credit:

Bryan Hughes (

Common name

Arizona Ridge-nosed Rattlesnake

Scientific name

Crotalus willardi willardi

Conservation Status

Federal and State Protections


Countries of Occurrence

United States of America

States or Providence 



Adult size

Species Description

This small rattlesnake can be found in the "sky islands" of Arizona: isolated mountain ranges surrounded by desert. As such, they can be found between 5000-9000 ft elevation in canyons and forests. They primarily prey on lizards, mice, and centipedes.

Fun fact: The Arizona ridge-nosed rattlesnake is the state reptile of Arizona!

Jacksonville, FL |  |  1-800-690-5638

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© 2019 The Rattlesnake Conservancy, 501(c)(3) corporation