What if you picked up a lizard and realized there was something more under its skin? The scales of the ocellated lizard form labyrinthine patterns of black and green. This species probably evolved its ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ...

Skin color patterns in animals arise from microscopic interactions among colored cells that obey equations, say investigators. Researchers report that a lizard acquires its adult skin color by ...

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

In the study of the evolution of animal colors, the conspicuousness of a pair of colors (e.g., stimulus vs. background) is often modeled by determining the distance between them in perceptual color ...

Side-blotched lizards probably don’t call the game that, but they play a version of it anyway. A new study explains the ...

As the evening sun trickled through the forest in Malaysia, an elusive lizard searched for a bed. It settled on some plants and fell asleep. But the night would not be a restful one. “Our student ...

There’s a particular type of lizard that changes the color of its spots as it ages — and researchers have just discovered the mathematical rules that govern this peculiar metamorphosis. In fact, one ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...