Race westermanni recently resurrected on basis of constant presence of distinctive large whitish occipital patch on birds from Vogelkop (and not apparently elsewhere in range), backed up by differences in mtDNA#R; indeed, this form has been considered a full species#R, under name “C. papuanus”, with a race edwardsi; type specimen of “papuanus” does not show white occiput, whereas that of “westermanni” does, as does original painting of the same live individual#R, and in any case name “westermanni” has priority; type locality of “papuanus” has been questioned. In the past, seven races (papuanus, goodfellowi, claudii, shawmayeri, hecki, bennetti and picticollis) or more were commonly recognized; however, extensive individual variation, together with confusion due to numerous and widespread introductions over centuries, and paucity of museum specimens and of reliable data on bare-part colours of known adults, all combine to confound attempts at building accurate picture of true geographical variation#R. Even type locality of present species is thought to refer to an introduced population. Two subspecies tentatively recognized.
Also New Britain (bennetti), where probably introduced.
Food and feeding
Status and conservation
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