Walking in the deep snow can be difficult. Bison use their strong necks to push forward and make a path, their shaggy faces keep them from getting too cold and they take turns leading the way. These adaptations allow them to thrive in the harsh winter conditions of Yellowstone National Park in Wyoming. Photo by Jim Peaco, National Park Service. Posted on Tumblr by the US Department of the Interior, 1/23/16.
Leave a Reply