Continuing along the track of a previous article, let me introduce you to another interesting lizard occurring in our area! After discussing the horned lizard in a prior article, and to give equal ...

Many factors can contribute to geographic color variation, including natural selection, sexual selection, and genetic drift. In squamates, phenotypic plasticity can also play an important role in ...

A dozen Oklahoma-born eastern collared lizards now call Arkansas home and, with a little luck, these transplants may be able to replenish a pocket of prime habitat in west-central Arkansas. The ...

SOAKING UP THE SUN: Collared lizards love to bask in the sun. About four dozen of the reptiles were released across glade habitats in northern Arkansas in May. Credit: Little Rock Zoo Nearly four ...

In a study published in the September issue of The American Naturalist, A. Kristopher Lappin (Northern Arizona University) and Jerry F. Husak (Oklahoma State University) use the eastern collared ...

Forty-three eastern collared lizards bred at the Little Rock Zoo have new homes in the Arkansas Ozarks thanks to an innovative collaboration among the zoo, Arkansas Game and Fish Commission, ...

Often found sunning itself on a rock or sometimes seen whipping across the countryside, Oklahoma's state reptile is a colorful and speedy character. The eastern collared lizard (Crotaphytus collaris), ...

In territorial species with polygynous mating systems, reproductive success reflects phenotypic variation. At the gross level, such phenotypic variation can include that of body size and weapon ...