Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers ... These iconic rain-forest amphibians sleep by day stuck to leaf-bottoms with their eyes closed and body ...

In the interconnected web of nature, small disruptions can yield outsized consequences. One such example comes from Central ...

eyes,” researchers said. Seen from below, the frog’s belly is “purplish-grey,” the study said and a photo shows. The underside of a Leptobrachella xishuiensis, or Xishui leaf-litter toad.