Bison, Bull-080904-Hayden Valley, Yellowstone Natl Park-0069.jpg |
Bison-011804-Upper Geyser Basin, Yellowstone National Park-0200.jpg |
Bison-022005-YNP, Lamar Valley-0156.jpg |
Bison-101405-Lamar Valley, NYP-0073.jpg |
Bison, Geyser Steaming-011204-Monument Geyser Basin, Yellowstone National Park-0115.jpg |
Bison Bull-080904-Hayden Valley, Yellowstone Natl Park-0126.jpg |
Bison, Bull taking dust bath-080904-Hayden Valley, Yellowstone Natl Park-0195.jpg |
Bison, Calf-052205-YNP, Lamar Valley-0124.jpg |
Bison, Calf-080904-Hayden Valley, Yellowstone Natl Park-0149.jpg |
Bison, Calf-080904-Hayden Valley, Yellowstone Natl Park-0166.jpg |
Bison, Calf-080904-Hayden Valley, Yellowstone Natl Park-0221.jpg |
Bison, Calf, Cow-080904-Hayden Valley, Yellowstone Natl Park-0153.jpg |
Bison, during snow shower-021905-YNP, Lamar Valley-0240.jpg |
Bison, Sleeping-022005-YNP, Soda Butte Creek-0151.jpg |
Bison, Snow Covered-011204-Madison River, Yellowstone National Park-0004.jpg |