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.

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 ...

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

Up to only a few inches in length, with a lemon-hued belly, the foothill yellow-legged frog may seem unassuming. But its range once stretched from central Oregon to Baja California. In 2023, it was ...

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 ...

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 ...

Getting your Trinity Audio player ready... Shortly after World War II, California fish managers had a brainstorm: They loaded juvenile trout into airplanes and saturation-bombed naturally fishless ...

The jewel-like lakes of the High Sierra in Yosemite National Park are awe-inspiring sights. But for more than a hundred years they've also been biologically disrupted, stocked each year with ...

Mountain yellow-legged frogs, long under threat from trout, people and disease, are getting new protections from state Fish and Game officials. The frogs live at elevation — in streams, rivers, creeks ...

Six biologists shouldered backpack coolers filled with 200 federally endangered frogs on Thursday morning and started trudging uphill across three miles of roadless wilderness on the northwestern ...