Common collared lizard

The common collared lizard or Oklahoma lizard, Crotaphytus collaris, is a North American lizard that can reach a foot (30 cm) long in length (including the tail), with a large head and powerful jaws. It is the state lizard of Oklahoma.

Same species, from Taum Sauk Mountain State Park, Missouri

Common collared lizard
Collared lizard in Albuquerque, New Mexico
Scientific classification
Kingdom:	Animalia
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Family:	Crotaphytidae
Genus:	Crotaphytus
Binomial name
Crotaphytus collaris