Bougainville Island, Solomon Islands.
Sometimes treated as conspecific with C. woodfordi, but differs in bill and eye colours, nature of nasal bristles, and plumage gloss. Has been considered conspecific with C. insularis, but differs notably in iris colour of adult, vocalizations, preferred habitat, lack of flocking behaviour, and flight action (shallow wingbeats vs deep wingbeats interspersed with glides). Monotypic.
Buka I, Bougainville I and Shortland Is, in extreme N Solomons.
Food and feeding
Status and conservation
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