Brilliant facts about the American bison
They're massive
Females (called cows), are slightly smaller, and can weigh up to 1,000 lbs (453 kg) and reach a height of around 4-5 feet (1.21-1.52 m).
Diet
The American bison is a herbivorous mammal that feeds on plains grasses, herbs, shrubs, and twigs.
Gestation
The gestation period for cows is similar to that of humans. Females give birth to one calf after a nine-month pregnancy.
