Abyssinian Scimitarbill 
African grey hornbill 
African pied hornbill 
Black Hornbill 
Black-and-white-casqued hornbill 
Black-billed wood hoopoe 
Blyth’s Hornbill 
Bradfields hornbill 
Bushy-crested hornbill 
Common scimitarbill 
Crowned hornbill 
Damara red-billed hornbill 
Eurasian hoopoe 
Great hornbill 
Green wood-hoopoe 
Helmeted hornbill 
Hemprichs hornbill 
Jacksons hornbill 
Knobbed hornbill 
Madagascan hoopoe 
Monteiros hornbill 
Northern red-billed hornbill 
Oriental Pied Hornbill 
Palawan hornbill