A recent study in the journal PLOS One has depressing numbers to report: the American pika, a small mammal that thrives at high elevations and cold temps, has disappeared from a 64-square-mile area of the High Sierra between Tahoe City and Truckee. The researchers predict that by 2050, the climate conditions suitable for the pika's survival will plummet by 97 percent.
High Sierra Mountain Lion Encounter Caught on Video
On the first day of a backpacking trip in the High Sierra, two hikers came face to face with a mountain lion. They got proof.