Ceratogymna or Black-casqued Wattled hornbill and Yellow Casqued Hornbill are species of hornbill in the family Bucerotidae.

The hornbills of African rainforests, often seen or heard in the canopy feeding on fruiting trees in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, South Sudan, Togo, and Uganda.

Their voice is a loud braying wail that can be heard from several kilometers away.

We offer nine hornbill skulls in both male and female. They are the African Grey, Black-Casqued Hornbill, Great Hornbill, Helmeted Hornbill, White-Thighed Hornbill, and the Yellow-Casqued Hornbill.