I don't know what the bison was expecting, but based on its reaction I don't think it knew the snow was that deep. It got all ...

When temperatures dip below zero in Yellowstone National Park, tourists are scarce but the park’s 4,500 bison carry on out of necessity. The accompanying footage, courtesy of Yellowstone For ...

Max Waugh (USA) catches sight of a plains bison kicking up flurries of snow over its bulky frame in Yellowstone National Park, USA. From his vehicle Max saw the bison start to head downhill towards ...

The bison spread around the snow coach to pass, although one slightly bumps the vehicle while navigating its passage. Yellowstone has about 5,000 bison and they utilize roads for easier commutes ...

Assuming that [bison are] not walking through snow at a rate of more than 3 mph – and probably far more slowly – they might be able to save themselves a few minutes of blizzard conditions, but ...

Unusually deep snow in Grand Teton National Park has made life dangerous for bison lumbering on the park's only plowed highway and for motorists traveling the route, prompting park workers to ...

Bison walking through deep snow near Tower Jct. Photo: Jim Peaco, National Park Service. Springtime in the Rockies is considered by many as the most beautiful time of the year in Montana as ...

Bison walking through deep snow near Tower Jct.; Jim Peaco; March 2008; Catalog #19246d; Original #IMG_8146 (National Park Service) Springtime in the Rockies is considered by many as the most ...

Mease and his group hope to avoid a scenario that played out this past December, when a semitruck slammed into bison that had been walking along U.S. Highway 191.