When you think about bison, you might now think of them as fun and carefree animals that enjoy playing in the snow. They're ...

Adult bison, which weigh between 1,000 and 2,000 pounds, can run 30 mph so watching them charge toward you with full heads of steam can be as intimidating as it is impressive.

Last week we featured footage showing bison stampeding toward a snow coach in Yellowstone National ... Seconds later a stampede ensued with bison running directly at the crowd.