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 ...

Why it's awesome: Labord's chameleons live fast and die young. They hold the record for the shortest lifespan of all tetrapods — they hatch, grow, mate and die in just four to five months. Labord's ...

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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.

Two Hispaniolan lizards, Anolis distichus and A. brevirostris, are unusual in showing extensive geographic variation in the color of the dewlap, a structure used in territorial and courtship displays.

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 ...