The pregnancy lasts for 9 months, usually a single calf is born, twins are rare cases ... Flora of the lowest parts of the forest is the basic ingredient of bisons feed. Bison is the least choosy ...

A female's gestation period lasts 285 to 300 days, after which she gives birth to one calf (or, rarely, two), which is weaned after five or six months. LIFE CYCLE: Bison reach sexual maturity at two ...