Yellowstone naturalist and guide Clara Murray sent Outside writer Madison Dapcevich these videos she captured of a sow black bear and her cubs of the year near Lamar River Canyon, taking a nap after filling up on choke cherries. According to Murray, the Greater Yellowstone Ecosystem hosts the highest density population of large mammals in the Lower 48, most of which can be found in the Lamar Valley. But black bears are also found throughout the park, including an area known as the “Bear-muda Tri