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.

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 ...

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 ...

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 ...

Over two years after they were removed from California’s San Gabriel Mountains due to the Bobcat Fire, endangered mountain yellow-legged frogs have been released into their native habitat. The ...

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 ...

The yellow-spotted tree frog is also known as the yellow-spotted bell frog, the New England swamp frog or the tablelands bell frog. It’s listed on the Red List of the International Union for ...