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 ...
Experts agree: Mark Twain's favorite amphibian, “The Celebrated Jumping Frog of Calaveras County,” is none other than the California red-legged frog. Once so common it was a staple cuisine, California ...