Northern, central and south-eastern Sulawesi; probably also Buton (Butung) I, off south-eastern Sulawesi. Populations, probably introduced, formerly occurred off north-eastern Sulawesi on Lembeh and perhaps Bangka, and also on several of Sangihe Is.
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 8,000 - 14,000 (2010) and decreasing.
Status EN
Forest destruction and fragmentation, harvesting of eggs, human disturbance are the main threats.
For more information see BirdLife International Species Factsheet.
Voice
Several different vocalisations, including extraordinary loud braying, a series of disyllabic rolls, and, in disputes, a duck-like quacking.
BirdLife International Species Factsheet