How Bison Are Saving America's Lost Prairie


Tall grass prairie used to span across 13 states in North America. However, after settlers arrived grassland prairies were decimated. By reintroducing bison to the land along with seasonal fires, the nature conservancy, which manages the Joseph H. Williams Tallgrass Prairie Preserve in northeastern Oklahoma, resuscitated the prairie. The preserve is the largest tract of grassland prairie remaining in the world.

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