Mlalo, near Wilhelmstal, Usambara.
Until recently considered conspecific with P. debilis, but species rank accorded on basis of genetic differences#R and its grey-tinged white throat (1); greyer breast sides (1); lack of yellow in underparts (1); darker, more olive-toned flanks (ns); duller green upperparts (ns); darker bill (ns); larger size (published data#R indicate mean male wing 73.5 mm vs 68.3 in rabai; allow 2); parapatric distribution (3). Monotypic.
Usambara Mts, Nguru Mts and Nguu Mts, in E Tanzania.
Food and feeding
Status and conservation
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