Today, roughly half-a-million bison dot the nation’s landscape, a far cry from the more than 20 to 30 million that once roamed much of North America.
And while they have not been part of the Forest Service’s Midewin National Tallgrass Prairie ecosystem for more than a century, the habitat here will soon be home for 20 to 30 of the animals, perhaps as early as December 2013.
