When a bison stampede overtakes a bridge at Yellowstone National Park, it's best to get out of the way of the thundering ...

Bison have miraculously resurrected from the brink of extinction after being slaughtered in the 1800s by hunters and employees of the railroad companies carving their way across the American West. The ...

Not to be confused with the buffalo that are native to Asia and Africa, the American bison is the largest mammal on the continent. Males can weigh up to 2,000 pounds and stand six feet tall.