Mexico

This picture is of a captive male Crotaphytus collaris submitted by P.J. Bloemberg, webmaster of the Dutch collared lizard site (click here for a poor translation via BabelFish--it uses German-to-English; there is no Dutch-to-English feature!), and used with permission. Mexico Male
This is a female C. collaris from Mexico, also submitted by Mr. Bloemberg. Mexico Female