collared lizard(n = noun.animal) - any of several robust long-tailed lizards with collars of two dark bands; of central and western United States and northern Mexico;
is a kind of iguanid, iguanid lizard
is a member of crotaphytus, genus crotaphytus

   any of several species of lizards of the genus Crotaphytus and the family Iguanidae, of the central and western U.S. and northern Mexico, having long tails and usually bearing markings on the neck appearing like a collar of two black bands. [PJC]

agamid lizard, alligator lizard, anguid lizard, beaded lizard, caiman lizard, collared, collared peccary, collared pika, dragon lizard, earless lizard, eastern fence lizard, fence lizard, flying lizard, frilled lizard, fringe-toed lizard, giant lizard, glass lizard, green lizard, gridiron-tailed lizard, horned lizard, hudson bay collared lemming, iguanid lizard, komodo lizard, lacertid lizard, legless lizard, leopard lizard, lizard, lizard fish, lizard orchid, lounge lizard, mexican beaded lizard, monitor lizard, night lizard, pine lizard, sagebrush lizard, sand lizard, scincid lizard, side-blotched lizard, spiny lizard, teiid lizard, texas horned lizard, thunder lizard, tree lizard, venomous lizard, water lizard, western fence lizard, whiptail lizard, worm lizard, zebra-tailed lizard