Visitors to Yellowstone often underestimate just how dangerous bison can be and a couple of people a year fall foul of their violent temperament and sharp horns

A 30-year-old man from Randolph, New Jersey, was injured Tuesday by a bison in Yellowstone National Park, park officials said in a news release. At approximately 9:45 a.m. in the Upper Geyser Basin at Old Faithful,