"Slaughter Of Yellowstone Bison At The Center Of Culture War" [1]
"In the same year that Congress voted to make bison the national mammal, Yellowstone National Park had its second largest cull ever — reducing the herd by more than 1,200 animals. ...
Brucellosis is a bacterial disease, which elk and bison in the Yellowstone area originally caught from livestock. Kinkie says the threat of transmission back to cattle looms large. And it's that fear that drove the state of Montana to sue Yellowstone in 1995, forcing the park to ship more animals to slaughter. But there's more going on here than just disease. Bison are caught in the culture wars. "
Amy Martin reports for NPR's All Things Considered April 16, 2017. [2]