Children (7 direct children, 13 direct and indirect children):
Wreathed hornbill
Rhyticeros undulatus
Everett's hornbill
Sumba hornbill
Rhyticeros narcondami
Narcondam hornbill
Plain-pouched hornbill
Rhyticeros subruficollis
Blyth's hornbill
(tree size 6)
Papuan hornbill
Knobbed hornbill
Rhyticeros cassidix
Rhyticeros undulates