Montana officials plan to cull up to 700 Yellowstone bison
(Matthew Brown | AP file photo) A herd of bison grazes in the Lamar Valley of Yellowstone National Park in Wyo., Aug. 3, 2016.
(Matthew Brown | AP file photo) A herd of bison grazes in the Lamar Valley of Yellowstone National Park in Wyo., Aug. 3, 2016.