Pituophis catenifer deserticola

A subspecies found in the Great Basin and Mojave deserts.

An adult male near Whippoorwill Flat on the east slope of the Inyo Mountains, Inyo County, California, 18 May 2009.

A large adult female at Joshua Flat, north of the Inyo Mountains, Inyo County, California, 18 May 2009.

Same critter as above, 18 May 2009.

A young adult female on Hunter Mountain near the divide between Panamint Valley and Saline Valley, Death Valley National Park, Inyo County, California, 18 May 2009.