The knobbed hornbill (Rhyticeros cassidix), 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.

A huge black hornbill with a prominent knob on the bill, conspicuous red “gills” on the sides of the beak, a turquoise-blue throat pouch, and a white tail. Males have a red casque and rufous neck, females a yellow knob and black neck.

The red-billed hornbills are a group of hornbills found in the savannas and woodlands of sub-Saharan Africa.

The knobbed hornbill (Rhyticeros cassidix), 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 (Aceros cassidix) GENERAL INFORMATION. The Hornbill Taxonomic Advisory Group (TAG) has adopted taxonomy used by Kemp (1995). The older genus name Rhyticeros might be seen in the literature (Kemp 1979). Other common names in use include: Red-knobbed hornbill, Island hornbill, Buton hornbill and Celebes hornbill.

2025年1月13日 · The Red-knobbed Hornbill is the state bird of South Sulawesi, the Sulawesi Hornbill is not . There is a paper specifically on “Determination of birdwatching tourism locations for Red-knobbed Hornbill ( rhyticeros cassidix ) around Lake Lindu, Lore Lindu National Park, Central Sulawesi” – there is no such paper for the Sulawesi Hornbill.

A red-knobbed hornbill perches deep in a rainforest canopy on the Indonesian island of Sulawesi. Hornbills are classified as "vulnerable," as their habitat is shrinking due to deforestation ...

The Knobbed Hornbill is also known as the Sulawesi Wrinkled Hornbill and the Red-knobbed Hornbill. It is one of the largest of the 54 species of hornbills. This Hornbill is endemic to the islands of Indonesia. Their most distinctive feature is their large yellow bill with orange ridges and their red casque on top of the bill.

The Knobbed Hornbill, known scientifically as Rhyticeros cassidix, is a striking bird indigenous to the Sulawesi region of Indonesia. It is easily recognizable by its large, bright yellow and orange casque atop its bill, making it one of the most visually distinctive hornbills.

Physical characteristics: Sulawesi red-knobbed hornbills are black with a white tail. They have a high, wrinkled, red casque. Necks are rufous, reddish, in males, and black in females. Their beaks are ridged and yellow with blue throat skin. Adults are …