Ceratogymna
| Ceratogymna | |
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| Ceratogymna atrata | |
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| Genus: | Ceratogymna |
| Species | |
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2, see text. | |
Ceratogymna is a genus of large primarly frugivorous hornbills (family Bucerotidae) found in the humid forests of Central and West Africa. The the two species are sexually dimorphic, with males being overall black, while females have brown heads. Unlike the members of the genus Bycanistes, the two Ceratogymna have extensive, primarily blue, bare facial skin and a dewlap, and the only white in their plumage is in the tail.
Species
- Black-casqued Hornbill (Ceratogymna atrata).
- Yellow-casqued Hornbill (Ceratogymna elata).
The members of the genus Bycanistes have been included in this genus, but today most authorities now consider the two separate.
References
- Kemp, A. C. (2001). Family Bucerotidae (Hornbills). Pp. 436-523 in: del Hoyo, J., Elliott, A., & Sargatal, J. eds. (2001). Handbook of the Birds of the World. Vol. 6. Mousebirds to Hornbills. Lynx Edicions, Barcelona. ISBN 84-87334-30-X
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