They are the heaviest land mammal in North America – weighing from 930-2200 pounds. Bison can live from 15-20 years producing 1 calf a year.
Conservation Status: Numbering around 200,000, the American Bison live on protected preserves and ranches. They were nearly eradicated in the 19th century in order to deprive the Native Americans of their most important asset.
Did you know?
Because their coat is so thick, snow can land on their backs without melting.