About Animal Facts Common Name: American Bison Scientific Name: Bison bison Behavior: Females tend to live in large herds with their offspring while males live alone or in small, bachelor herds. Although very large, bison can run at speeds up to 40 MPH. In the winter, they use their heads as plows to move snow in search of plants. Diet: Herbivore Height: 5.5 ft Weight: 1,000 lb Length: 9 ft Life Span: 15 yrs Gestation Period: 270 days Number of Young: 1 Habitats: Grassland Fun Facts: Bison are somewhat crepuscular, resting during the heat of the day. Females are smaller than the males. Individual groups will come together during breeding season to form very large herds. They are considered a, "conservation dependent" species. Bison and buffalo are very different! Threats: Dwindling Population Habitat Loss Endangered Status Endangered Status Extinct in Wild (EW) Critically Endangered (CR) Endangered (EN) Vulnerable (VU) Near Threatened (NT) Least Concern (LC) Not Evaluated (NE) Care and Wellness The 13-acre Prairie habitat allows the American bison abundant space to roam and graze on the grass. The bison, our national mammal, can also interact with the elk herd on the habitat as they might in the wild.