Photo by Chris Brown

Scientific name: Crotaphytus vestigium

Common name: Baja California Collared Lizard

Size: 2.75-4.5 in (6.9-11.2 cm)

Distinguishing characters: A large-bodied species with a broad head, short snout, granular scales, and two distinct black collar markings. Collar markings separated at dorsal midline by more than 12 pale scales. Tan to olive colored with broad dark crossbands on body.

Juveniles: Similar to adults, more distinct banding.

Dimorphism: Male has enlarged postanal scales, blue-grey throat and large dark blotches on flanks.

Similar species: Crotaphytus bicinctores: Black collars separated by 12 or less light scales. Gambelia copei, Gambelia wislizenii: Lack black collar.

Additional notes: Uncommon. Powerful runner; bipedal. Adults can inflict painful bite. Prefers rocky areas, especially washes.

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