Knobbed hornbill, Sulawesi wrinkled hornbill (Rhyticeros cassidix)

Rhyticeros cassidix is a species in the Rhyticeros genus. It is commonly known as Knobbed hornbill, Sulawesi wrinkled hornbill This name is unplaced name for the species in the family Bucerotidae . . This species is found in Sulawesi, Buton, Lembeh, Togian and Muna Island..