||Desert Spiny Lizard
||These are relatively large, rather stocky, spotted, and generally yellowish to grayish-brown lizards. Males (121 mm) get larger than females (103 mm). Scales are strongly keeled. There is a black collar around the neck.
||The divided supraoculars; broad, black, white-bordered collar; and contrasting black and white tail bands distinguish Texas and New Mexico Crevice Spiny Lizards (Sceloporus poinsettii) from S. bimaculosis. Twin-spotted Spiny Lizards differ from Sonoran Spiny Lizard (Sceloporus clarkii clarkii) in having distinct paravertebral rows of dark brown blotches on the back, and black-streaked limbs (instead of narrow dark crossbands on the forearms), while adult females lacking both blue throats and blue, black bordered ventrolateral patches on the belly. Adult male Purple-backed Spiny Lizards (Sceloporus magister magister) have a black or deep-purple middorsal stripe (about 4.5-5 scales wide) bordered by light stripes.
||Prefers rocky desert landscapes
||Diurnal, loves to bask. Males can get territorial.
||Hibernates during the cold months.
||Lays an average of 9 eggs per clutch.
||Large insects and other arthropods.