any of nine species of lizards belonging to the lizard subfamily Crotaphytinae (family Crotaphytidae) found in hilly areas of the central United ... Found on http://www.britannica.com/eb/a-z/c/109
noun any of several robust long-tailed lizards with collars of two dark bands; of central and western United States and northern Mexico Found on https://www.encyclo.co.uk/local/20974
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. Found on https://www.infoplease.com/dictionary/collared-lizard