the rufous hornbill buceros hydrocorax, also known as the philippine hornbill and locally as a kalaw, portrait with dark

animal asia asian beak beautiful bill bird birdwatching brown buceros bucerotidae bucerotiformes closeup color colorful dark detail ecology endanger endangered endemic exotic eye fauna forest green head horn hornbill hydrocorax jungle life natural nature ornithology philippine philippines portrait red rufous species tropical watching wild wildlife zoo