Silvery-cheeked Hornbill observing monkey in Lake Manyara NP, Tanzania

The Silvery-cheeked Hornbill is a large bird at 75 to 80 centimetres in length with a very large creamy 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.