Identification: Adult male has a bright red and yellow upward-curved casque with a black base and bill-casque junction, and pale yellow bill. Body is mostly black with a white lower belly and undertail-coverts, and a white tail with a broad black band across the centre. Eyes are reddish with a blackish eyering. Female is similar to male, but smaller in size, lacks black on casque and bill-casque junction, and has whitish eyes. Juvenile has a less-developed casque, pale blue-grey eyes with blue-grey eyering.