Baja California collared lizard
The Baja California collared lizard, Crotaphytus vestigium, is a large-bodied species of uncommon lizard native to Baja California. It prefers rocky areas and washes. It is a powerful bipedal runner. Adults can inflict a painful bite.
This lizard has a broad head, short snout, granular scales, and two distinct black collar markings. The collar markings are separated at the dorsal midline by more than 12 pale scales. It is tan to olive colored with broad dark cross bands on its body. Adults grow to between 2.7 and 4.5 inches long. The males of this species have enlarged post anal scales, a blue-gray throat and large dark blotches on their flanks. The young are similar to adults, but with more distinct banding.