Brown Bear WalkingMountain Goat near Breckenridge, ColoradoA Brown Bear at Redoubt Lake in AlaskaA bull Moose in Grand Tetons National ParkBull Elk in Rocky Mountain National ParkBugling Bull Elk in Yellowstone National ParkCoyote in Yellowstone National ParkTwo Pronghorn (Antilocapra Americana) duking it out near Hartsel, Colorado.American bison in Yellowstone National ParkProfile of a Bull Elk in Rocky Mountain National ParkGrazing Elk in Rocky Mountain National ParkA Grizzly Bear in Denali National ParkMountain Goat Kid on top of Mt Evans in Colorado