Gulls (Laridae)
Belcher's Gull (Larus belcheri) - HBW 3, p. 601
French: Goéland siméon
German: Schwanzbandmöwe
Spanish: Gaviota Simeón
Other common names: Simeon's/Band-tailed Gull
Taxonomy: Larus Belcheri Vigors, 1829, no locality (presumably Peru).
Formerly treated as polytypic, with L. atlanticus as a subspecies. Monotypic.
Distribution: Humboldt Current area, between N Peru (Libertad) and N Chile (Tarapacá). Disperses N to N Ecuador and S to C Chile (around Valparaíso).
- Least Concern Enlarge map
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An immature moulting out of second year non-breeding plumage, standing on a stanchion Locality Arica, Arica and Parinacota Region, Chile (Monotypic species)
Greg Baker 13 November 2011 1 year ago 39 sec 4.5 -
adult calling on rock then close up Locality Port of Arica, Arica, Arica and Parinacota Region, Chile (Monotypic species)
Martin Kennewell 25 November 2011 1 year ago 25 sec 4.4 -
A juvenile bird and later three adult birds at the harbor. Locality Cajamarca Department, Peru (Monotypic species)
Yoel Jimenez 16 November 2012 16 weeks ago 23 sec 4.4 -
An adult, a subadult, and a juvenile on a marsh Locality Mouth of Lluta River, Lluta River, Arica, Arica and Parinacota Region, Chile (Monotypic species)
Josep del Hoyo 23 October 2003 8 years ago 23 sec 4.4 -
Two immature birds fighting for a meal, later an adult bird on a roof. Locality Lima City, Peru (Monotypic species)
Yoel Jimenez 12 November 2012 8 weeks ago 26 sec 4.3 -
one bird perched Locality Paraíso Lagoon, Lima Department, Peru (Monotypic species)
Daniêl Jimenez 15 November 2012 11 weeks ago 16 sec 4.2
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immature standing
Locality Paracas National Reserve, Ica Department, Peru
Lior Kislev 12 December 2009 1 year ago 4.4 -
Adult in the harbor.
Locality Pucusana, Lima Department, Peru (Monotypic species)
Cock Reijnders 17 September 2010 2 years ago 4.3 -
Adult bird in nonbreeding plumage
Locality Callao Province, Peru
Juan A Malo de Molina 26 October 2008 4 years ago 4.2 -
Inmature Gaviota del Pacífico
Locality Iquique, Tarapacá Region, Chile
Miguel Andina 16 January 2010 17 weeks ago 4 -
Flying
Locality Lima City, Peru
oleicfrisbee 1 year ago 4 -
Band-taild gull swimming in Pucusana port, Peru
Locality Pucusana, Lima Department, Peru
Nature Expeditions Peru 1 January 2009 3 years ago 4
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A group of birds calling on the sea Locality Lima Department, Peru
Keith Blomerley 14 November 2004 4 years ago 4
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