Preening within the foliage of the tree during the early morning hours, Great Indian Hornbill Buceros bicornis, Khao Yai National Park, Thailand

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