Adult, American Bison, Animal, Bison, Bison bison, Bison bison bison, Bison sp, Bovid, Bovidae, Color Photograph, Day, Even-toed Ungulate, Female, Horizontal, Looking, Looking at Camera, Mammal, National Park, Near Threatened, Near Threatened Species, Nobody, North America, One Animal, Outdoors, Plains Bison, Side View, Snow, U.S. National Park, USA, Ungulate, United States, United States of America, Waist Up, Wildlife, Winter, Wyoming, Yellowstone National Park