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 ...

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 ...