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

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