Bat foraging ecology along the Colorado River in Grand Canyon
Grand Canyon National Park is a hotspot for bat diversity. Twenty-two bat species have been documented in the Park, more than any other national park unit.
The U.S. Geological Survey’s Grand Canyon Monitoring and Research Center (GCMRC) measures effects of Glen Canyon Dam operations on the resources along the Colorado River from Glen Canyon Dam, near Page, Arizona to the inflow of Lake Mead.