Photos by Chris Brown
Scientific name: Uta stansburiana
Common name: Side-Blotched Lizard
Size: 1.57-2.36 in (4.0-6.0 cm)
Distinguishing characters: A small species; a conspicuous bluish-black blotch on each side behind the forelimbs; dorsum blotched or spotted with blue, orange, yellow, brown and/or black; whitish to grey on venter; orange or light blue patch on throat, and no blue belly patches.
Juveniles: Similar to adult female in pattern; lacks blue-black spots on sides.
Dimorphism: Male has swollen tail base, blue and yellow flecks on mid-dorsal side, and enlarged postanal scales; female lacks blue and yellow mid-dorsal flecks and is blotched dorsally in brown and black.
Similar species: Sceloporus occidentalis: Have keeled, pointed dorsal scales; lack bluish-black spots on side behind forelimb.
Additional notes: A common species throughout the study area, but prefers open habitats with rock or sand.