Massena and Souancé, 1854,
Has been thought possibly to be conspecific with P. frontalis#R; recent molecular phylogeny indicated that closest relatives of these two are P. lepida and P. perlata#R. Race hypoxantha previously listed as sordida, but has priority over latter; hypoxantha was thought to represent xanthistic morph of nominate, but original and later specimens recently shown to have come from area of S Brazil (Corumbá and Urucum, in Mato Grosso do Sul) occupied by sordida, a fact overlooked by most recent authors. Some of listed subspecific variation may be clinal, given size of range and absence of disjunction. Race flavoptera apparently hybridizes with nominate. Population in valley of R Machariapo, in Bolivia, lacking red belly patch, may be a separate race. Six subspecies recognized.
Food and feeding
Status and conservation
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