Previously included in Brachypus, which may merit resurrection; further study required to clarify relationships. Until recently considered conspecific with P. cinereifrons (which see). Race hachisukae previously referred to by name insularis, but latter (preoccupied by a race of Andropadus importunus, formerly included in expanded version of present genus) replaced before 1961 and thus permanently invalid#R. Races porphyreus, hutzi and hachisukae only dubiously separable (although last two seem reasonably distinct genetically#R); full review required. Other proposed races are chiroplethis (Anamba Is), billitonis (Belitung) and sibergi (Bawean I), all barely distinguishable from nominate. Four subspecies provisionally recognized.
Food and feeding
Status and conservation
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