Western whiptail lizard

Description:

Slender; 4-8 light stripes, often with many dark spots and lines on light gray or tan. Stripes and spotting sometimes faded or absent. Throat and belly usually white or yellow (rarely all black), with black spotting on chest. 8 longitudinal rows of large smooth rectangular belly scales. Tail gray or gray-green, usually with black speckling on sides; bright blue in juveniles.

Habitat:

Arid and semiarid desert to open woodlands; where vegetation is sparse enough to make running easy.