SHORT: Yellowstone bats important indicator ecosystem health (U.S. National Park Service)

Bats - Yellowstone National Park (U.S. National Park Service)

Big Brown Bat - Montana Field Guide

Endangered Species Act, after helping prevent extinctions for 50

Wildlife in Yellowstone: What Can You See? - Salt Lake Express

Bat Monitoring (U.S. National Park Service)

Hoary Bat - Montana Field Guide

Assessing the Ecological Health of the Greater Yellowstone

MSU senior searches for signs of bats in Glacier National Park

Bats - Yellowstone National Park (U.S. National Park Service)

Yellowstone Bat Study - Yellowstone Forever