Bycanistes
- White-thighed Hornbill Bycanistes albotibialis
The White-thighed Hornbill is a large hornbill of lowland forests in western and central Africa. It feeds mainly on fruit in the canopy and often travels in small groups.
- Silvery-cheeked hornbill Bycanistes brevis
A forest bird with silvery facial feathers and a large bill.
- Trumpeter Hornbill Bycanistes bucinator
A large hornbill of forests from Kenya and Angola to eastern southern Africa. It feeds mainly on fruit and nests in tree cavities, which the female seals during breeding.
- Brown-cheeked Hornbill Bycanistes cylindricus
The Brown-cheeked Hornbill is a large hornbill of West African forests. It feeds mainly on fruit high in the canopy and also catches insects.
- Piping Hornbill Bycanistes fistulator
The Piping Hornbill has a black head and wings with white underparts. The account distinguishes three subspecies with differences in the extent of white on the wings and tail. Some taxonomies treat Bycanistes fistulator as a subspecies of the Trumpeter Hornbill.
- Black-and-white-casqued Hornbill Bycanistes subcylindricus
A black-and-white forest hornbill with a large bill, it feeds on fruit and changes its movements with the season
- Silvery-cheeked hornbill Bycanistes brevis
A forest bird with silvery facial feathers and a large bill.
- Black-and-white-casqued Hornbill Bycanistes subcylindricus
A black-and-white forest hornbill with a large bill, it feeds on fruit and changes its movements with the season
- Brown-cheeked Hornbill Bycanistes cylindricus
The Brown-cheeked Hornbill is a large hornbill of West African forests. It feeds mainly on fruit high in the canopy and also catches insects.
- Piping Hornbill Bycanistes fistulator
The Piping Hornbill has a black head and wings with white underparts. The account distinguishes three subspecies with differences in the extent of white on the wings and tail. Some taxonomies treat Bycanistes fistulator as a subspecies of the Trumpeter Hornbill.
- Trumpeter Hornbill Bycanistes bucinator
A large hornbill of forests from Kenya and Angola to eastern southern Africa. It feeds mainly on fruit and nests in tree cavities, which the female seals during breeding.
- White-thighed Hornbill Bycanistes albotibialis
The White-thighed Hornbill is a large hornbill of lowland forests in western and central Africa. It feeds mainly on fruit in the canopy and often travels in small groups.