The Common collared lizard, Oklahoma collared lizard or collared lizard, Crotaphytus collaris, is a North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

n lizard that can reach a foot (30 cm) long in length (including the tail), with a large head and powerful jaws. They are well known for the ability to run on their hind legs, looking like small dinosaur

Dinosaur

Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

s. The collared lizard is the state reptile of the United States state of Oklahoma, where it is known as the Mountain Boomer.