sentences:  In March 2012, 63 American bison from Yellowstone National Park were transferred to the Fort Peck Indian Reservation prairie, to be released to a game preserve north of Poplar.There are many other bison herds outside Yellowstone, but this is one of the very few genetically pure ones, not cross-bred with cattle.Native Americans celebrated the move, which came over a century after bison were nearly wiped out by hunters and the government.