Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ancient colors. And the changes are being driven by the biological equivalent ...

At this moment, the male side-blotched lizards of the American West are engaged in dating drama beyond human comprehension. Three different morphs of lizard, all with different colors and different ...

New research on lizards supports an old idea about how species can originate. Morphologically distinct types are often found within species, and biologists have speculated that these “morphs” could be ...

Male side-blotched lizards (Uta stansburiana) have three heritable throat colors, associated with three divergent mating strategies. In the 19 December Proceedings of the National Academy of Sciences, ...

Every spring, keen-eyed biologists carrying fishing poles search the rolling hills near Los Banos, about two hours southeast of San Francisco. But they’re not looking for fish. They’re catching ...