Children (6 direct children, 8 direct and indirect children):
Sulu hornbill
Anthracoceros montani
Oriental pied hornbill
(tree size 2)
Anthracoceros albirostris
Indian pied hornbill
Malabar pied-hornbill
Black hornbill
Anthracoceros malayanus
Palawan hornbill
Anthracoceros marchei
Anthracoceros lemprieri