When temperatures dip below zero in Yellowstone National ... park. Bison feed mostly on grasses and grass-like plants, and during the winter they often use their massive heads to shovel snow ...

A spectacular highlight for snow-coach passengers in Yellowstone National Park is to share the road with giant bison. The accompanying footage, credited to David Wall via Viral Hog, shows more ...

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 ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine ... Two of Yellowstone’s iconic species, bison and elk, spill seasonally—and naturally—beyond ...

9 min read Charlie Hamilton James is one of six photographers who contributed to National Geographic magazine's ... Jackson Hole, Wyoming Bison and elk share winter ranges in Greater Yellowstone ...