Children (7 direct children, 15 direct and indirect children):
Piping hornbill
(tree size 4)
White-tailed hornbill
Brown-cheeked hornbill
Bycanistes cylindricus
White-thighed hornbill
Bycanistes albotibialis
Silvery-cheeked hornbill
Bycanistes brevis
Black-and-white-casqued hornbill
(tree size 2)
Grey-cheeked hornbill
Trumpeter hornbill
(tree size 2)
Bycanistes bucinator
Bycanistes sharpii