Adult DescriptionLarge, long-legged raptor. Black cap with short crest at back. Pale sides of back and neck. Bare red skin on face. Black body. White tail with wide black tip. White patches at ends of dark wings. Faint barring on upper back and breast.
Immature DescriptionJuvenile similar to adult, but tawny brown instead of black; buffy, not white face; and with streaks, not barring on neck.