Cnemophilus macgregorii De Vis, 1890

Upper ridge of culmen broadly flat towards skull, gape wide, tail graduated, Male nominate race has forehead, upper ear-coverts and entire upperparts brilliant silky flame-yellow with iridescent white highlights, duller on back, and cinnamon on upperwing and uppertail; small erectile (usually concealed) sagittal crest of 4-6 sickle-shaped feathers dark buff with golden iridescent gloss; lores, lower ear-coverts, tiny narrow line above centre of eye, and entire underpans brownish-black with coppery-bronze dull sheen; variable cinnamon feathers on thighs and flanks; iris dark brown to bluish-grey; bill dark brownish-black, mouth pinkish; legs purplish-brown to brown-black. Female is very different from male, fairly uniform brown-olive, underparts slightly paler and buffier, especially on belly and undertail-coverts, with iris dark brown-grey to dark bluish-grey, bill brownish-black, legs dark brownish to brownish-black, mouth pale green, also slightly smaller. Juvenile is briefly grey: immature male like adult female but with paler bill, legs and iris brownish to brown-grey; subadult male varies, from like adult female with few feathers of adult male plumage to like adult male with few feathers.of female-like plumage remaining, also tail longer than adult male. Race sanguineus differs from nominate in having slightly longer wing and shorter tail, adult male with considerably richer and reddish dorsal plumage, and underpans with less copper-red sheen.