Bison homecoming
A group of Blackfeet riders escort the tractor-trailer carrying 88 bison Monday evening from Elk Island National Park in Alberta, Canada, to be released east of Browning on the Blackfeet Indian Reservation. The bison are descendents of one of the last herds of prairie bison captured by the Blackfeet in 1873 and sold to the Canadians. The relocation follows a 2014 treaty among 11 tribes in the U.S. and Canada to restore bison to areas of the Rocky Mountains and Great Plains. (AP photo)