collared lizard

from WordNet (r) 3.0 (2006)

collared lizard
    n 1: any of several robust long-tailed lizards with collars of
         two dark bands; of central and western United States and
         northern Mexico

from The Collaborative International Dictionary of English v.0.48

collared lizard \col"lared liz"ard\, n.
   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. --RHUD
   [PJC] Collaret