Pachycephala monacha Salvadori & d'Albertis, 1875

Male nominate race has head and neck black, upperparts brownish- black, rump somewhat paler and greyer; upperwing and tail brownish- black, remiges and wing- coverts edged pale grey on outer webs; chin, throat and upper breast black, remainder of underparts white; iris dark brown; legs dark grey or black. Female has body largely blackish- grey, throat and lower breast slightly paler, belly white. Probably at least two immature plumages, at least for males; first immature much browner, with underparts streaked. Race lugubris has upperparts blacker than nominate.