Part of a clade that includes also P. occidentalis and P. erythrorhynchos#R. Often considered a subspecies of P. occidentalis, but differs in its greater size (data weak but probably at least 2); proportionately longer crest (at least 1); blue-and-dark-striped gular pouch (3); red on lower mandible extending >50% vs <50% length of bill from tip, with basal section of upper mandible yellower vs more horn-coloured (2); whitish vs grey scapulars (2); whitish vs grey greater coverts on all secondaries except for blackish innermost covering blackish tertials, creating strong contrast (ns); small black papillae in loral area vs none (ns)#R#R. Monotypic.
Food and feeding
Status and conservation
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