Length: 55-65 cm Plumage: white. Dark morph varies from bluish grey to black. Long plumes on head neck and back when breeding. Immature like non-breeding adult. Bare parts: iris yellow, orange in breeding birds; lores greyish green, orange to purplish in breeding birds; bill black with pale horn on basal half of mandible; feet and legs: legs black, orange to red in breeding birds; feet yellow. Habitat: shores of marine and inland waters. <388><393><391>
- Brown, L.H., E.K. Urban & K. Newman (1982). The Birds of Africa, Volume I. Academic Press, London.