Me along with three friends were birding in the Dihing Patkai WLS on one November 2014 evening .Suddenly we heard a loud noise(sound ) by some big bird .After few observation did notice that they are Hornbill .They were feeding on fruit .After few minutes they flew over us and set on a distance three .It was almost dark in Assam by 4.30 PM ,the Sun was setting and the subject was against the light .Some how get this exposure with a Nikon D800 body and Sigma 150-500mm lens .Austen's brown hornbill(Anorrhinus austeni) ....