Local Lookout: Yellowstone reports first bear attack | Early birds flock to East Gate | Exhibit explores Battle of the Greasy Grass Yellowstone National Park reports two hikers injured in the first bear incident of 2026. Nature lovers and early birds flock to Yellowstone’s East Entrance for opening day. The Brinton Museum unveils a new exhibit of the Battle of the Little Bighorn, known to tribes as the Battle of the Greasy Grass.