Sierra Nevada yellow-legged frogs don’t have vocal sacks, so they don’t call out during their springtime mating seasons. “If you hear frogs at one of these lakes, it’s the Pacific tree ...

The mountain yellow-legged frog was once the most abundant amphibian in Southern California's Sierra Nevada and Transverse Ranges. Just decades ago, it was hard to walk around many of California's ...

SACRAMENTO— In response to a Center for Biological Diversity petition and lawsuit, the U.S. Fish and Wildlife Service today proposed Endangered Species Act protection for four populations of foothill ...

Sierra Nevada yellow-legged frogs don’t have vocal sacks, so they don’t call out during their springtime mating seasons. “If you hear frogs at one of these lakes, it’s the Pacific tree ...