WoRMS taxon details
basis of record
Urban, E. K.; Fry, C. H.; Keith, S. (1986). The Birds of Africa, Volume II. <em>Academic Press, London.</em> [details]
From other sources
Description Length: 36-40 cm. Plumage: whole of back and wings black; forehead and trailing edge of secondaries in spread wing white; below white; some white speckling on nape and forecrown in non-breeding bird, demarcation between white forehead and black crown clearcut in breeding bird; tail whitish. Immature much duller with buff edges to feathers of head and upperparts. Bare parts: iris brown; bill with shorter upper mandible vermilion, much longer lower mandible orange merging to yellow at tip; feet and legs vermilion. Habitat: coastal lagoons and estuaries. Endemic resident and intra-African migrant. <389><391><393> [details]
Habitat coastal regions (and inland) [details]
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