A brave bison mother protects her newborn calf from an attacking wolf pack until the rest of the herd arrives to aid in the defense. #Wildlife #Nature #Bison #AnimalBehavior ...

WAPITI, Wyo. -- A Colorado man required medical treatment at a hospital after he was gored by a bull bison at Yellowstone National Park in Wyoming, officials said. The 34-year-old man was walking with ...