North America Prairie May See Bison Again

The Houserock Valley Bison Herd grazes on the Kaibab National Forest in Arizona. Bison will soon be seen grazing on the Midewin National Tallgrass Prairie in Illinois. (U.S. Forest Service photo)


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