Bison are known as the American Buffalo or simply Buffalo. They are a popular symbol in the Great Plains. Bison move hundreds of miles each year, they help shape the land. The bison became nearly extinct by a combination of commercial hunting and slaughter. Until, Teddy Roosevelt formed the American Bison Society to save disappearing bison. Their historical range roughly composed a triangle around Great Bear Lake. Bison were seen in the North. The plains bison has been suggested to consist of a northern and southern sub-species. The wood bison is one of the largest wild species of bison. It is the largest extant land animal in the