The Trumpeter Hornbill is a medium-sized hornbill, with length of 25 in and weight of 1 kg. These are characterized by a large grey casque on the bill, smaller in females. The eyes are brown or red, with pink surrounding skin.
The Trumpeter Hornbill is a gregarious bird, usually living in groups of 2 to 5 individuals, although sometimes as many as 50. This hornbill is a locally common resident of the tropical evergreen forests of Burundi, Mozambique, Botswana, Congo, Kenya, the Caprivi strip of Namibia and eastern South Africa, where it feeds on fruits and large insects. Like other hornbills, the females incubate 4 to 5 white eggs, while sealed in the nest compartment.