A group of Yellowstone National Park bison await shipment to slaughter inside a holding pen along the park's northern border near Gardiner, Montana.
A group of Yellowstone National Park bison await shipment to slaughter inside a holding pen along the park's northern border near Gardiner, Montana. Matthew Brown AP
A group of Yellowstone National Park bison await shipment to slaughter inside a holding pen along the park's northern border near Gardiner, Montana. Matthew Brown AP