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 ...

A male collared lizard, Crotaphytus collaris, surveyed its territory from atop a small boulder. I approached to get a better look, but it moved to hide in a clump of grass. I approached again, and it ...

North America has 155 species of lizards classified into eight families native to the continent. A few of these species that arrived to the continent during the years of conquest are now considered ...

Colorful reptile protected by fire, study shows. Aug. 25, 2011 — -- Alan Templeton was a 13-year-old Boy Scout when he saw his first collared lizard in Missouri's Ozark Mountains. He returned ...

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, ...

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 ...

Whole-animal performance traits, such as locomotor performance, are central to current concepts of phenotypic adaptation, yet the possible evolution of such traits via sexual selection is an ...

OKLAHOMA CITY (KFOR) – The Oklahoma City Zoo has welcomed 12 new Eastern collared lizards to its family. According to the OKC Zoo, the Eastern collared lizard is Oklahoma’s official state reptile as ...

A male collared lizard, Crotaphytus collaris, surveyed its territory from atop a small boulder. I approached to get a better look, but it moved to hide in a clump of grass. I approached again, and it ...

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 ...