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MarBEF Data System |
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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]
additional source
Gallardo, J. C.; Macías, V.; Velarde, E. (2009). Birds (Vertebrata: Aves) of the Gulf of Mexico. <em>In: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.</em> Pp. 1321–1342. [details]
Unreviewed
Description Length: 41-43 cm. Plumage: back and wings grey; collar on hind neck and underparts white; head with grey hood in breeding, white with suggestion of grey hood in non-breeding; outer primaries black. Immature darker ashy brown replaces grey of adult; hood incomplete. Bare parts: iris yellowish white; eyering bright red; bill bright red, dull blackish in immature; feet and legs bright red in breeding, dark red in non-breeding dress, reddish slate in immature. Habitat: seashore, estuaries and inland water bodies. Resident. <389><391><393> [details]
Remark Forms a superspecies with L. hartlaubii & L. ridibundus [details]
From editor or global species database
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Present 