Bison, Bison bison
Bison were keystone herbivores on the grasslands of North America. The iconic image of vast bison herds spread across the Great Plains characterizes the historic period in the Midwest, but in the not-so-distant past, bison were distributed throughout North America and utilized many different ecological niches.
Artiodactyla (Hoofed Mammals)
Bovidae (Muskoxen, Bison, Sheep, Goats)
Height: 1.7 m (bulls); 1.5 m (cows)
Weight: 500-900 kg (bulls); 300-500 kg (cows); Meagher 1986