Camamú, south Bahia, Brazil.
Part of a complex that includes N. chrysocephalum, N. sulphureiventer, N. pallescens and N. chrysolophum. Differs from N. chrysolophum, with which it was considered conspecific until recently, in characters given under that species; from N. pallescens, with which it is apparently sympatric in several places, by its much smaller size with shorter bill, wing and tail (small sample but for tail at least 2); much brighter yellow belly (2); much more olive, less grey breast and flanks (2); and song a soft low nasal wraah wra-wra instead of a four-syllabled kiu-ki-chru-chrri#R (4); from N. chrysocephalum by its much narrower, shorter coronal patch (2); paler head sides (1); paler upperparts (1); and four-syllabled kiu-ki-chru-chrri advertisement call vs nasal, twangy jewee-jewEE-JEWEE-Jewee-jewee#R (4); and from N. sulphureiventer by its narrower, shorter coronal patch (1); slightly stronger yellow belly (1); smaller size with shorter bill and wing (small sample but allow 2); and four-syllabled kiu-ki-chru-chrri advertisement call vs nasal wraanh-wraanh#R (4). Name inornatum is a synonym. Monotypic.
Patchily in coastal E Brazil from S Bahia S to E Minas Gerais, Espírito Santo and (at least formerly) Rio de Janeiro.
Food and feeding
Status and conservation
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