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Knobbed Hornbill
KnobbedHornbill.jpg-for-web-LARGE
male (right) and female (left) knobbed hornbills
Information
Common Name Sulawesi Wrinkled Hornbill
Range Sulawesi, Buton, Lembeh, Togian and Muna Island.
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Aves
Order Bucerotiformes
Family Bucerotidae
Genus Aceros
Species Aceros cassidix
Conservation Status
VUSpecies
Vulnerable

The Knobbed hornbill (Aceros cassidix), also known as Sulawesi wrinkled hornbill, is a large species of hornbill with a yellow bill, white tail feathers, pale blue skin around eye, blackish feet and bare dark blue throat. The male has rufous/buff face and neck, orange-red eyes, and a high reddish casque on the top of his bill. The female has a black face and neck, a yellow casque, and brownish eyes.

An Indonesian endemic, the knobbed hornbill is distributed in the tropical evergreen forests of Sulawesi, Buton, Lembeh, Togian and Muna Island.

As with other hornbills, the knobbed hornbill is believed to be a monogamous species. The diet consists mainly of fruits and figs. The female seals itself inside a tree hole for egg-laying. During this time, the male will provide foods for the female and the young.

The knobbed hornbill is the faunal symbol of South Sulawesi province.

Widespread and common throughout its native range, the knobbed hornbill is evaluated as vulnerable on the IUCN Red List of Threatened Species.

Popular Culture

A female knobbed hornbill in a cage was the backdrop for the Mickey Rooney song "I'm So Unlucky" in the Film All Ashore. It was mislabeled "Harlique Hornbill - Africa".

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