Knobbed hornbill

Rhyticeros cassidix

The knobbed hornbill , also known as Sulawesi wrinkled hornbill, is a colourful hornbill native to Indonesia. The species is sometimes placed in the genus ''Aceros''. The knobbed hornbill is the faunal symbol of South Sulawesi province.
Knobbed_hornbill  Geotagged,Indonesia,Knobbed hornbill,Rhyticeros cassidix,Spring

Appearance

This is a large black 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.

Distribution

An Indonesian endemic, the knobbed hornbill is found in Sulawesi, Buton, Lembeh, Togian and Muna Island. It inhabits evergreen forest at an elevation of up to 1,800 m and also makes use of secondary forest, woodland and plantations for foraging.

Status

The species is currently classified as vulnerable by the IUCN. Despite being locally very common, they are threatened by habitat destruction from logging and to some extent by hunting.

Habitat

An Indonesian endemic, the knobbed hornbill is found in Sulawesi, Buton, Lembeh, Togian and Muna Island. It inhabits evergreen forest at an elevation of up to 1,800 m and also makes use of secondary forest, woodland and plantations for foraging.As with other hornbills, the knobbed hornbill is believed to be monogamous. Its diet consists mainly of fruits, but it will also take insects and small vertebrates. Breeding season spans 27–30 weeks and appears to be triggered by a dramatic reduction in rainfall. The female seals itself inside a tree hole for egg-laying using its own feces. During this time, the male will provide foods for the female and the young through a slit in the seal.

Knobbed hornbills are important seed dispersers in their habitat and influence the initial fate of seeds of several tropical forest tree species.

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Status: Vulnerable
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassAves
OrderBucerotiformes
FamilyBucerotidae
GenusRhyticeros
SpeciesR. cassidix
Photographed in
Indonesia