Apparently I've been reading too much about the TSA lately, because I read that as "groped by a bull bison."
The story still pretty much makes sense, if leaving you slightly confused:
"The man, who is in his mid-50s, suffered a broken collarbone, shoulder blade, several ribs and a groin injury in Saturday's encounter near the Norris campground."
Wow, that was a pretty hard groping.