Barking geckos use loud barks to warn rivals, attract mates, and scare predators Small, clawed lizards thrive in southern African desert burrows. Each bark has a unique meaning, showing complex social ...

What do the finches of the Galapagos Islands and the lizards of a tiny island at Fairchild Tropical Botanic Garden have in common? They’ve both shaped ideas on evolution. But the lizards of Fairchild ...