American Bison, Yellowstone National Park, Wyoming
American Bison, Theodore Roosevelt National Park, North Dakota
American Bison, Theodore Roosevelt National Park, North Dakota
American Bison Herd, with rollers, Theodore Roosevelt National Park, North Dakota
American Bison Bull, Cow and Calf, Theodore Roosevelt National Park, North Dakota
American Bison Bull and Cow, Theodore Roosevelt National Park, North Dakota
American Bison Herd, Theodore Roosevelt National Park, North Dakota
American Bison Bull, Theodore Roosevelt National Park, North Dakota
American Bison, Theodore Roosevelt National Park, North Dakota
American Bison Group of Young Bulls, Theodore Roosevelt National Park, North Dakota
American Bison Bulls facing off, Theodore Roosevelt National Park, North Dakota
American Bison Bull, Cow and Calf, Theodore Roosevelt National Park, North Dakota
American Bison Herd in Little Missouri River, Theodore Roosevelt National Park, North Dakota
American Bison, Yellowstone National Park, Wyoming
American Bison, Broken Kettle Grasslands Preserve, Plymouth Co., Iowa
American Bison, Broken Kettle Grasslands Preserve, Plymouth Co., Iowa
American Bison, Michigan
American Bison, Michigan
American Bison, Michigan
American Bison, Michigan
American Bison, Grazing Bull, close-up, Yellowstone National Park, Wyoming
American Bison, Bull at the Yellowstione River edge, Yellowstone National Park, Wyoming
American Bison, at Dawn, Teddy Roosevelt National Park,
American Bison, Pair of Calves, one nursing, Yellowstone National Park, Wyoming
American Bison, Grazing Bull, close-up, Yellowstone National Park, Wyoming