Any of various birds of the family Bucerotidae, with bills resembling a cow's horn. Many species have a casque above the bill, and many imprison their young in a tree
They inhabit the tropical parts of Asia, Africa, and the East Indies, and are remarkable for having a more or less horn-like protuberance, which is usually large and hollow and is situated on the upper side of the beak
bird of tropical Africa and Asia having a very large bill surmounted by a bony protuberance; related to kingfishers
The size of the hornbill varies from that of a pigeon to that of a raven, or even larger
a tropical bird with a very large beak. Any of about 45 species of Old World tropical birds (family Bucerotidae) noted for the bony helmet on the bill of some species. Hornbills range from 16 to 63 in. (40-160 cm) long, and typically have a large head, prominent bill, thin neck, broad wings, long tail, and brown or black plumage, usually with bold white markings. They nest in cavities, usually in large trees. The male of most species walls up the female in the nest, closing the hole with mud, except for a small opening through which he passes food. The female breaks out after the eggs hatch, but the young may be walled up again
Any of various birds of the family Bucerotidae, with bills resembling a cows horn. Many species have a casque above the bill, and many imprison their young in a tree