Lizards are in the Order Squamata, Suborder Lacertilia. Collard lizards are in the Family Crotaphytidae. It is now known that the animals do not make a sound, other than hissing when threatened. They perfer a habitat that includes rocky areas with bare dirt.
Collard lizards have the ability to lift their bodies and run on the two back legs.
While it seems to be a flight response, it is probably more useful by startling whatever is chasing the lizard. The slight hesitation this causes may be the difference between escape and being caught. Oklahoma is also home to the Texas horned lizard , Phrynosoma cornatum . Over the last 30 years, the numbers of horned lizards have dropped dramatically all across its range. Several factors are thought to have caused this.