Black-and-white-casqued hornbill

Its big casque works like a built-in speaker, boosting their calls to echo powerfully across dense forests

Bernard DUPONT

Its big casque works like a built-in speaker, boosting their calls to echo powerfully across dense forests

Population

One of the most striking and distinctive large hornbills found in Central and parts of East Africa. These birds are easy to recognize thanks to their bold black-and-white plumage and the impressive casque (a hollow structure) perched on top of their heavy, curved bill. Native to the dense forests, forest edges, and wooded savannas from Senegal and Uganda down to northern Angola, these hornbills bring a lively energy to Africa’s tropical forests with their noisy calls and powerful flight.

Its plumage is boldly patterned: black wings and back, a white belly, and white patches on the wings that flash clearly during flight. The oversized bill is pale cream or yellowish with a large, prominent casque that gives the bird an unmistakable profile. Males have a larger and more massive casque compared to females, and it’s believed that the casque helps amplify their loud calls and may also be used for display during mating season.

Black-and-white-casqued hornbills are frugivores, relying heavily on fruit — especially figs — but they are also omnivorous, occasionally eating insects, small mammals, reptiles, and even bird chicks. Thanks to their fruit-heavy diet, they are important seed dispersers, helping tropical forests regenerate by spreading seeds across vast areas. They often forage in pairs or small family groups, moving noisily through the canopy as they hop from tree to tree.

These hornbills have a “booming” call that sounds like a mix between deep barks, growls, and honks. Their calls can be heard from long distances and are used to communicate with mates, claim territories, and keep in touch with family groups.

Distribution

Country
Population est.
Status
Year
Comments
Angola
2016
Burundi
2016
Cameroon
2016
Central Af. Rep.
2016
Congo-Brazzaville
2016
Côte D’ivoire
2016
DR Congo (Kinshasa)
2016
Equatorial Guinea
2016
Gabon
2016
Ghana
2016
Guinea-Bissau
2016
Kenya
2016
Liberia
2016
Nigeria
2016
Rwanda
2016
Sierra Leone
2016
South Sudan
2016
Sudan
2016
Tanzania
2016
Togo
2016
Uganda
2016

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Frugivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No