University of Minnesota

University of Minnesota officials turn to bison herd to help ecosystem

Bison are unpredictable, have injured more people in Yellowstone than any other animal and can run three times faster than humans, park officials said. (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…