The Flores hawk-eagle (Nisaetus floris, formerly Spizaetus floris), is a 75–79 centimetres (30–31 in) long raptor in the family Accipitridae. Adults have dark brown upperparts, a brown tail with six bars, a white patch in the wings that is visible in flight, white underparts, and a white head with fine brownish streaks on the crown (many books erroneously illustrate adults with largely brown heads). It has traditionally been treated as a subspecies of the changeable hawk-eagl