the great hornbill bird, buceros bicornis, also known as the concave-casqued hornbill

great hornbill bird buceros bicornis concavecasqued indian pied perching green tree himalayan mountain travel forest ornithology casque natural horn single orange bill billed beak plumage outdoor jungle tropical yellow feather colorful wild animal nature wildlife southeast asia tourism tropic species largest himalayas background hornbilln