Family Gulls, Terns, Skimmers (Laridae)

Least Concern

Slender-billed Gull (Larus genei)


Taxonomy

French: Goéland railleur German: Dünnschnabelmöwe Spanish: Gaviota picofina
Taxonomy:

Larus Geneï

Brème

, 1839,

Sardinia

.

Slightly earlier name L. gelastes is a nomen nudum. Some recent authors place this species and other “masked gulls” in genus Chroicocephalus (see L. philadelphia, above); within that group, present species and L. philadelphia found to be basal#R#R. Has hybridized with L. ridibundus#R. Monotypic.

Distribution:

Widely scattered, isolated localities from Senegal, Mauritania, S & E Iberia through Mediterranean, Black Sea, Asia Minor and Middle East to E Kazakhstan, Afghanistan, Pakistan and NW India; occasionally farther E, even as far as L Baikal region of S Russia#R. Winters S to Horn of Africa.

Descriptive notes

42–44 cm; 220–350 g; wingspan 102–110 cm. Two (three)-year gull. Distinctive shape, with long sloping forehead, long, slightly drooping bill, and long legs... read more

Voice

Calls are deeper, mellower and throatier than in Black-headed Gull Larus ridibundus; in... read more

Habitat

Breeds at scattered coastal locations around the Mediterranean, Black and Caspian Seas and... read more

Food and feeding

Mainly small fish and aquatic invertebrates, captured at alkaline, saline or freshwater lakes or lagoons inland or along coasts.... read more

Breeding

Forms colonies of tens to thousands of pairs, often with terns. Returns to breeding colonies in late March; lays in late March to... read more

Movements

The populations in W Africa, Iberia, Persian Gulf and Pakistan are only partly migratory. Many... read more

Status and conservation

Not globally threatened (Least Concern). The global population is estimated to range between 312,500 and 377,500 individuals of which 140,000–205,000 are in the Black... read more

Recommended citation

Burger, J., Gochfeld, M. & Garcia, E.F.J. (2017). Slender-billed Gull (Larus genei). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/53996 on 24 June 2017).