Sequoia National Park is not just giant trees. There are also caves, and the caves and other areas of Sequoia are home to 17 species of bats. The Townsend's big-eared bat is listed as a Species of ...

This story appears in the December 2012 issue of National Geographic magazine. On a gentle slope above a trail junction in Sequoia National Park, about 7,000 feet above sea level in the southern ...