Crotalus willardi willardi

The ridge-nosed rattlesnake is a small montane rattlesnake, which has 3 subspecies in our region. Obscurus has a very small range living in the Sierra San Luis, Animas and Peloncillo Mountains. Silus lives in the southern Sky Islands and parts of the Sierra Madre. Willardi occurs in the Sky Islands of northern Sonora and southern Arizona.

Life form

Herps

In the family

Viperidae

Common Names

ridge-nosed rattlesnake

Crotalus willardi willardi

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Crotalus willardi, ridge-nosed rattlesnake

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Crotalus willardi willardi

Crotalus willardi willardi

Crotalus willardi, ridge-nosed rattlesnake

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