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.

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 ...

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 ...

Meet the Sierra Nevada yellow-legged frog (SNYLF)! As its name suggests, this small frog is native to the Sierra Nevada. Unfortunately, this species has seen population declines due to the widespread ...

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 ...

State fish and game officials are considering adding yellow-legged frogs to California's endangered species list. Two species of yellow-legged frog – one in the Sierra Nevada, one more commonly found ...

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 ...