If you were a miner in California during the Gold Rush, you might have dined on a California red-legged frog. The largest native frog in the western United States, this Golden State denizen used to be ...

A strange spiny frog with a bright red belly has been discovered in the Ecuadorian Andes, baffling scientists.

THE SANTA ROSA PLATEAU ECOLOGICAL RESERVE, Calif. — The scientist traipses to a pond wearing rubber boots but he doesn’t enter the water. Instead, Brad Hollingsworth squats next to its swampy edge and ...

Red-eyed tree frogs are famous for their bright colors, but their real power is camouflage and deception. In rainforests filled with predators, these frogs use body position, color patterns, and ...

Nearly 600 California red-legged frog tadpoles were released into Santa Monica Mountains streams recently, marking an emergency conservation success for a species that vanished from the area more than ...

The California red-legged frog is a threatened species that resides in the Tahoe National Forest. Rick Kuyper/USFWS Sacramento Fish and Wildlife Office Wildlife biologists reported finding a small ...