University of Minnesota

University of Minnesota officials turn to bison herd to help ecosystem

Bison injure one or two people in Yellowstone a year on average, usually when people approach the animals, according to a 2018 study. (recreation.gov)MINNEAPOLIS — University of Minnesota officials hope a herd of bison will help restore a threatened ecosystem in a nature reserve. More than 30 bulls immediately began to graze on grass when they were released into the…