Yellow-Casqued Hornbill (Ceratogymna elata)

The Yellow Casqued Hornbill is a bird of the lowland rainforests, found in pairs or small groups in Senegal, Togo, Nigeria and Cameroon. Its calls are loud and far-carrying, a series of high-pitched yelps and honks that are often given in a quick series. This species is classified as 'Vulnerable' and faces a high risk of extinction in the wild.