As its name suggests, this small frog is native to the Sierra Nevada. Unfortunately, this species has seen population ...

U.S. Geological Survey biologist Elizabeth Gallegos leads her team on a hike to release Southern California mountain yellow-legged frogs into a pair of remote creeks in the San Gabriel Mountains.

The Sierra Nevada yellow-legged frog could receive federal protection after the U.S. Fish and Wildlife Service proposed Wednesday to list the animals along with Yosemite toads under the Endangered ...

SAN FRANCISCO— The California Fish and Game Commission, in response to a Center for Biological Diversity petition, voted today to designate all populations of the mountain yellow-legged frog as a ...

The mountain yellow-legged frog once thrived in the Sierra Nevada, but today there is less than 100. The yellow-legged frog is a popular topic with researchers and was once an abundant amphibian ...

SACRAMENTO, Calif. (CN) – After vanishing from nearly half of their historic habitat, six populations of imperiled yellow-legged frogs will get new protections following a decision by the California ...

OAKLAND (BCN) -- Thirty-three Sierra Nevada yellow-legged frogs leapt into the wild Wednesday and Oakland Zoo officials hope they will help restabilize their species. The Sierra Nevada yellow-legged ...

Foothill yellow-legged frogs are striking stream-dwelling amphibians with a distinctive lemon-yellow color under their legs. They live in Pacific drainages from the upper reaches of the Willamette ...

In the 1950s, California wildlife authorities used to fly over remote lakes and creeks in Yosemite National Park and deliver precious cargo: hatchery-raised trout. The policy was great for fishing ...

SAN BERNARDINO (CBSLA) — A group of mountain yellow-legged frogs have been reintroduced to the San Bernardino National Forest, nearly 20 years after its population was nearly wiped out in Southern ...

For some species of frogs, sex gets pretty chaotic. The amphibians gather in large groups near bodies of water—a preferred egg-laying spot—and the males go into a frenzy, trying to grab onto any ...