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 ...

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 ...

Decreases in staffing and maintenance costs have led to the closure of several San Bernardino National Forest campgrounds throughout the 2025 season.

This is a crime scene in a remote corner of California, high in the Sixty Lakes Basin area of the Sierra Nevada: mountain yellow-legged frog corpses lie belly-up. The culprit is a chytrid fungus, ...

Learning from survivors In the majesty of California's Yosemite National Park, the sounds of the mountain yellow-legged frog used to fill the air. "When we look at historical references, old notebooks ...