Bison at Lamar Valley.Grand Prismatic Boardwalk.Grand Prismatic.Thermophile Colors.Morning Glory Pool.Magpie at Mormon Row Historic District in the Grand Teton National Park.Female Elk.Pronghorn.Bison are the largest land-dwelling mammal in North America with bulls weighing up to 2,000 pounds. Yellowstone is the only place in the United States where bison have lived continuously since prehistoric times.Crosstalk.The coyote is a common predator in Greater Yellowstone, often seen traveling through open meadows and valleys.Coyotes are much smaller than wolves, usually around a third of the size.Coyote with a Vole.Coyotes primarily eat voles, mice, rabbits, other small animals, and carrion—and only the very young elk calves in the spring.Bison Crossing Lamar Valley.Falls at the Grand Canyon of Yellowstone.T. A. Moulton Barn in the historic Mormon Row with Grand Tetons in the backdrop.Supermoon rising.Yellowstone sunset.Tetons at Schwabacher Landing.Supermoon over Lake Yellowstone.