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.

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 ...

Marlowe Robertson-Billet carefully scooped three-inch tadpoles from a fish tank into plastic bags, then quickly piped in pure oxygen from a steel tank. Along with a team of zookeepers and biologists ...

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 ...

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 ...

Knapp will be giving a presentation on the recovery of the mountain yellow-legged frog at the Tahoe Center for Environmental Sciences on April 6 from 5:30 – 7 p.m. A $5 donation is suggested.

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 ...

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 ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Some like it hot. Apparently, the endangered mountain yellow-legged frog ...

Frogs that are increasingly rare in the Sierra Nevada will not be listed for protection under the Endangered Species Act, despite a federal study that indicates its population is dwindling fast. The U ...

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 ...