Seen wiping its bill on the branch and letting out some food to give to the female while a leaf falls, Great Indian Hornbill Buceros bicornis, Khao Yai National Park, Thailand

great hornbill concavecasqued hornbill hornbills foraging yellow bill nest buceros bicornis nesting frugivore fruiting tree bucerotidae conservation perch habitat frugivorous bucerotiformes southeast asia khao yai large bird birds branch tree plumage burrow anthracoceros nature national park insectivore longlived jungle rainforest thailand fruits semievergreen forest vulnerable bill pied great indian massive bill tropical kaeng krachan feathers wings black casque indian subcontinent