Closely related to P. xavieri, widely sympatric and very similar in appearance; difficulties in distinguishing the two have in past led to some taxonomic confusion, and continue to hinder understanding of their respective distributions and ecology. Relationship with P. lorenzi (see below), which has been considered a melanistic form of present species, requires analysis. P. leucolepis was previously recognized as a species, including in HBW, but lack of recent sightings (including at the type locality)#R and genetic data argue persuasively in favour of it being considered mere intraspecific variation within the present species#R. Birds in E of range (Cameroon E to Uganda) described as race tricolor, on average somewhat greener above and duller yellow below, but not satisfactorily distinguishable, as similarly coloured specimens occur elsewhere in range. Monotypic.
W Sierra Leone and SE Guinea E to Ghana (one record Togo), and from SW Nigeria and Bioko E to SW Central African Republic and S to Gabon, W Congo, N Angola (Cabinda) and extreme W DRCongo (Mayombe); also across most of central DRCongo (S to S Kasai and Kivu) and E to parts of W & S Uganda and extreme NW Tanzania.
Food and feeding
Status and conservation
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