Hornbill birds are endemic to the South East Asia and they are characterized by their unique down-curved bill.  There are more than 50 living species of the Hornbill family and this family is omnivorous, feeding on fruit and small animals. Some of their species also live in the Saharan Africa and Solomon islands.

The Male Knobbed Hornbill. ( Image by Martien Uiterweerd )

The Knobbed Hornbill of Indonesia is an amazing bird for its strange appearance. Knobbed Hornbill is scientifically known as Aceros cassidix and it is also called as Sulawesi Wrinkled Hornbill. Their motherlands are the Indonesian islands of Sulawesi, Togian, Muna and Buton.  The Knobbed Hornbill is a large bird with a big yellow bill. The tail feathers are white, pale blue skin around eye, blackish feet and bare dark blue throat. The rest of the body is black.

Female Knobbed Hornbill

The male has rufous buff face and neck, orange-red eyes and a high reddish casque on top of bill. The female has black face and neck, yellow casque and brownish eyes. The Knobbed Hornbill constructs their nests in the tree holes and they love to eat fruits and figs.

The Knobbed Hornbill of Indonesia is widespread and common throughout its native range, the Knobbed Hornbill is evaluated as Least Concern on the IUCN Red List of Threatened Species.

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