| Horizocerus | |
|---|---|
 | |
| White-crested hornbill, Horizocerus albocristatus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Bucerotiformes |
| Family: | Bucerotidae |
| Genus: | Horizocerus Oberholser, 1899 |
| Species | |
See text. | |
Horizocerus is a genus of birds in the hornbill family, Bucerotidae, that are native to West Africa.
The genus contains the following four species: [1]
| Image | Scientific name | Common name | Distribution |
|---|---|---|---|
| Horizocerus hartlaubi | Western dwarf hornbill | south Guinea and south Sierra Leone to Gabon and the Congo Basin west of the Congo River | |
| Horizocerus granti | Eastern dwarf hornbill | Democratic Republic of the Congo and east central Congo to west Uganda | |
 | Horizocerus albocristatus | Western long-tailed hornbill | Guinea to Benin in West Africa |
| Horizocerus cassini | Eastern long-tailed hornbill | Nigeria to north Angola and west Uganda | |
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