Children (20 direct children, 34 direct and indirect children):
Eastern yellow-billed hornbill
(tree size 1)
Northern yellow-billed hornbill
African pied hornbill
(tree size 1)
Tockus fasciatus
Von der decken's hornbill
(tree size 1)
Tockus deckeni
Tockus alboterminatus
(tree size 3)
Tockus camurus
(tree size 1)
Jackson's hornbill
Tockus jacksoni
Southern yellow-billed hornbill
(tree size 2)
Tockus leucomelas
Tockus bradfieldi
Northern red-billed hornbill
(tree size 2)
Red-billed hornbill
Tockus pallidirostris
(tree size 1)
Tockus hartlaubi
Black dwarf hornbill
Tockus hemprichii
Hemprich's hornbill
Tockus nasutus
(tree size 1)
African grey hornbill
Monteiro's hornbill
Tockus monteiri
Western red-billed hornbill
Tockus kempi
Southern red-billed hornbill
Tockus rufirostris
Tockus damarensis
Damara hornbill
Tanzanian red-billed hornbill
Tockus ruahae
Tockus albocristatus
Tockus griseus
(tree size 1)