Researchers in Peru recently rediscovered a frog species that hadn't been seen for over a century, the Miami Herald reported.

The Sierra Nevada Yellow-legged frogs were almost wiped out of Yosemite National Park. But these scientists mounted a wildlife comeback.

The cold, alpine lakes of the high Sierra once hummed with the splashing and soft, clicking chirp of the yellow-legged frog. Like many fragile amphibians, however, the small, often darkly dotted frogs ...