Adult, American Bison, Animal, Bison, Bison bison, Bison bison bison, Bison sp, Bovid, Bovidae, Bull, Day, Digging, Eating, Even-toed Ungulate, Feeding, Full Length, Grazing, Horizontal, Male, Mammal, Minden Submission 033, National Park, Near Threatened, Near Threatened Species, Nobody, North America, One Animal, Outdoors, Plains Bison, Shoveling, Side View, Snow, U.S. National Park, USA, Ungulate, United States, United States of America, Wildlife, Winter, Wyoming, Yellowstone National Park