The casque is the source of hornbill ivory, a valuable carving material.
en.wikipedia.org The surrounding forest has been known to house at least four species of birds: hornbills, parrots, woodpeckers and wild ducks.
en.wikipedia.org Among the many birds are groups such as penguins, rheas, waterfowl, eagles, owls, pelicans, flamingos, pheasants, parrots, hornbills, turacos and weavers.
en.wikipedia.org It often mixes with white-crowned starlings, red-billed hornbills, red-billed buffalo weavers, and superb starlings while foraging.
en.wikipedia.org