collared lizard

noun
any of several species of long-tailed iguanid lizards of the genus Crotaphytus, of central and western U.S. and northern Mexico, usually having a collar of two black bands.
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Encyclopedia Britannica
Encyclopedia

collared lizard

any of nine species of lizards belonging to the lizard subfamily Crotaphytinae (family Crotaphytidae) found in hilly areas of the central United States and northeastern Mexico westward to the Great Basin. The coloration and pattern of collared lizards varies depending on species; however, coloration also varies with the season, temperature, and light intensity. Seasonal colour changes result from hormonal changes associated with reproduction. Males are typically much more brightly coloured than females and range from cobalt blue and green to tan, brown, and gray. Collared lizards frequently bring their front legs off the ground to run on their hind legs.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Watch for bighorn sheep on steep slopes and the collared lizard on the canyon floor.
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