Great Hornbill Buceros bicornis perched on a branch right side of the tree and it looks around then scratches its head with its left foot, Khao Yai National Park, Thailand

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