Adult DescriptionMedium-sized to large hawk. Dark overall. White rump and undertail. White tip to dark tail. Chestnut-red thighs and shoulders. Legs and bare face skin yellow.
Immature DescriptionJuvenile similar to adults, except underparts streaked with cream or buffy coloration; amount of light color variable. Rufous patches reduced and dullish. Underwing has whitish primaries, conspicuous in flight. Tail crossed with many fine dusky bars; base and tip white.