Three near-identical U.S. lizards have kept their identities for millions of years in a way that researchers compare to the game Rock-Paper-Scissors.

The side-splotched lizard (*Uta stansburiana*) is a reptile commonly found in California, the United States. In spring, the coloration around the necks of males becomes strikingly diverse among ...

Nature expresses itself most vividly through colour, and lizards are among one of its most striking artists. From electric ...