American Bison

shoulder height: females 150 - 160 cm, males 165 - 200 cm; body: females 210 - 320 cm, males 300 - 350 cm

460 - 1000 kg males; 350 - 540 kg females

1

270 - 285 days

original North American range extended from northern Mexico to Alaska; today is native to Canada and USA

they feed primarily on grasses, they also eat leaves, roots and tubers, wood, bark, or stems

Bison are arranged in groups according to sex, age, season, and habitat. Cow groups are composed of females, males under three years of age, and a few older males. Males live either individually or in groups.

15 to 20 years in the wild; max. 30 years in human care