Aspidoscelis exsanguis
One of the parthenogenetic hybrid whiptails. The only spotted whiptail in the Chihuahuan Desert, I think. They're generally pretty approachable as whiptails go.
An adult in Mockingbird Canyon, Sierra County, New Mexico, 25 May 2010.
An adult with a parial tail, east side of the Black Range, Sierra County, New Mexico, 4 Jun 2006.
An adult in Guadalupe Mountains National Park, Culberson County, Texas, 14 Aug 2007.
The same adult, Culberson County, Texas, 14 Aug 2007.
A juvenile in the Organ Mountains, Doña Ana County, New Mexico, 17 Sep 2006.
She dug a hole! Organ Mountains, Doña Ana County, New Mexico, 22 Apr 2007.
A juvenile in the just west of the Mogollon Mountains, Catron County, New Mexico, 23 Sep 2007.
An adult on the west side of the Black Range, Grant County, New Mexico, 23 Sep 2007.
Adult east of El Paso, 22 Apr 2005.