Rattlesnakes of Arizona

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Arizona has the most diverse population of rattlesnake with about 15 different species of rattlesnake in the state. The distribution of rattlesnake species is largely influenced by elevation and habitat. Some rattlesnake species are broadly distributed while others are confined to a small region of the state. Below is a list of rattlesnake species found in Arizona. Click on the name of species to learn more about each species.