Western Rattlesnake
ORDER: SQUAMATA | FAMILY: VIPERIDAE
The Western Rattlesnake is broadly distributed across western North America. In the Atlas region, this species occurs in coastal and mountain areas from southern California to the low elevation Vizcaíno Desert in Baja California Sur. At present, we don't recognize the subspecies C. o. helleri (Southern Pacific Rattlesnake) and wait for future studies to evaluate its validity.
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Red Diamond Rattlesnake (Crotalus ruber), Speckled Rattlesnake (Crotalus mitchellii)
This project was made possible in part by the Institute of Museum and Library Services.
