Check out these ten amazing facts about the US National Mammal, the American bison. Know about its ecological significance, ...

The American bison is a majestic, stately creature that has played a prominent role in the early days of American history.

One of the two bison calves born at Fermilab on April 21. Ryan Postel, Fermilab Bison calves have a cinnamon-colored coat when they're born, and weigh 40 to 70 pounds.

Before 1800, American bison once roamed the Great Plains in vast numbers: estimates range from 30 to 100 million. Bison were once a major source of meat and hides in the United States. They formed the ...