Opinion: Park's new bison management plan is based on outdated and unscientific assumptions that result in thousands of wild ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

RANGE: Bison once roamed from Florida through the eastern deciduous forests and Great Plains to the Cascade Mountains in Washington, from Alberta, Canada to Mexico — in other words, nearly the whole ...

Too bad no one told the bison that their natural annual migration was wrong. The result has been about one-quarter of Yellowstone’s herd being slaughtered in years with deep snow for doing ...

Hundreds of years ago, there were nearly 30 million bison roaming the plains of the United States. Between the construction of the Pacific Railroad, westward migration by settlers, and the pelt ...

Too bad no one told the bison that their natural annual migration was wrong. The result has been about one-quarter of Yellowstone's herd being slaughtered in years with deep snow for doing nothing ...