A leaf falls on the left side then later the bill of the female shows while its working on its nest, Great Indian Hornbill Buceros bicornis, Khao Yai National Park, Thailand

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