Hanging on the side of a huge tree and regurgitating food from its pouch, the Great Hornbill Buceros bicornis is preparing to feed its mate that is inside its nest in Khao Yai National Park, Thailand

great hornbill buceros bicornis concavecasqued hornbill great indian hornbill great pied hornbill vulnerable thailand khao yai national park asia southeast asia feeding trees forest rainforest kerala state bird birds animals frugivorous horned like twohorned nesting wood cavity wings black yellow green branches woodlands forage figs fruits insects nature natural habitat wildlife tropical casque regurgitating vines leaves india nepal bhutan tree cavity nest