Adult, American Bison, Animal, Animal in Habitat, Bison, Bison bison, Bison bison bison, Bison sp, Bovid, Bovidae, Color Photograph, Day, Even-toed Ungulate, Full Length, Gardner River, Herd, Horizontal, Mammal, Medium Group of Animals, Montana, National Park, Near Threatened, Near Threatened Species, Nobody, North America, Outdoors, Plains Bison, River, Side View, Snow, U.S. National Park, USA, Ungulate, United States, United States of America, Wildlife, Winter, Yellowstone National Park