Part of a complex that includes N. chrysocephalum, N. sulphureiventer, N. aurifrons and N. chrysolophum. Differs from the first three in characters given under those species, and from N. chrysolophum by its stronger white streaks on throat (1); greyer breast (1); whitish-grey vs pale yellow belly to vent (2); much larger size in bill, wing and tail (small sample for chrysolophum but for wing allow 3); and soft low nasal wraah wra-wra vs chip, chip, dree-zee-zee, zew (4)#R. Monotypic.
Food and feeding
Status and conservation
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