The Silvery-cheeked hornbill (Bycanistes brevis), is a large species of hornbill at 75 to 80 centimetres (30 to 31 in) in length, with a very large cream-colored casque on the beak. The female has a smaller casque and reddish skin around the eyes. The head is silver-grey and the rest of the plumage is iridescent black, except for the white rump, lower back, thighs, vent and tip of the outer tail-feathers. Silvery-cheeked hornbills are residents of the tall evergreen forests of East Africa from Ethiopia to South Africa. In Zimbabwe it is threatened by habitat destruction and its presence in South Africa is marginal, but it remains locally fairly common, especially in the northern and central parts of its range. Usually they live in pairs and sometimes roost in flocks of hundreds of individu