"such a layer of insulation that snow that lands on their coat will not melt from the heat the bison's skin gives off." There have even been videos of bison walking directly into a storm.

Perched above Hayden Valley, they watched as the Wapiti Lake wolf pack pursued a herd of bison, sprinting through deep snow. The wolves closed the gap, and then pounced — separating a bison cow ...

Footage shared by the national park shows a bison pop up as ... moving 35 to 4500 tons of snow per hour to clean up the road shoulders and plow pull-outs. The two biggest challenges we face through ...