NatureGreat Grey Owl by James Hager November 14, 2013April 2, 2015 Robert Harding We love this stunning photo of a Great Grey Owl adult leaving its perch in Yellowstone National Park, Wyoming, United States. See more of James Hager’s work here. James Hager/Robert Harding BirdGreat Grey OwlGrey OwlnaturephotographywildlifeYellowstone National Park