Cabeza Prieta Natural History Association
Sonoran Desert Reptiles
Crotaphytus nebrius (Sonoran collared lizard)
No Photo available for Sonoran collared lizard reptile number 1305
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Diet: smaller lizards, insects
Size: 2¾" to 4½" from nose to vent |
Identification: To 4 2/5 in. (11.2 cm). Above yellowish to dull tan with conspicuous round whitish spots, large on dorsum and becoming much smaller on sides. Vague or no cross bars on body. No defined dorsal stripe on tail: tail rounded. Fore and aft black collar markings present; posterior one sometimes uninterrupted dorsally. Males: Throat slate gray or dark brown, often with a yellow cast; no black central spot. Anterior collar complete ventrally. When breeding develops burnt orange ventrolateral abdominal coloration. Small dark inguinal patches present. Female: Color duller than in male, often browner. No complete anteriour collar marking nor dark inguinal patches Orange or reddish lateral bars when gravid.
References
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