oriental pied hornbill bird stair on the branch tree in nature at thailand, anthracoceros albirostris

albirostris animal anthracoceros asia asian background beak beautiful bill bird birding birdwatching black brown bucerotidae care colorful colour convexus cute family fauna feather feed forest great green horn hornbill khao national nature oriental ornithology park perched pied piedhornbill primeval rainforest south southern sunda thailand tree tropical white wild wildlife yai yellow