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 ...

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 ...

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 ...

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 ...