Appearance
Males of both subspecies have a mainly black plumage and a narrowly black-tipped pale bluish bill. The rump of the male "P. f. icteronotus" is yellow, while it is red in "P. f. flammigerus". In females, the head, wings and tail are blackish-brown and the underparts are mainly yellow. The rump is yellowish in the female "P. f. icteronotus", while the rump, vent and chest are orange-red in "P. f. flammigerus".References:
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