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 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 7 years ago 23 sec 4.4 -
adult calling on rock then close up Locality Port of Arica, Arica, Arica and Parinacota Region, Chile (Monotypic species)
Martin Kennewell 25 November 2011 6 weeks ago 25 sec 4.3 -
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 week ago ADDED LAST MONTH 39 sec 4 -
Birds of different ages on a marsh flushed by a flying Turkey Vulture Locality Mouth of Lluta River, Lluta River, Arica, Arica and Parinacota Region, Chile (Monotypic species)
Josep del Hoyo 23 October 2003 7 years ago 22 sec 3.7 -
An adult 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 7 years ago 24 sec 3.7 -
A subadult standing on a rock Locality Quintero, Valparaiso Region, Chile (Monotypic species)
Josep del Hoyo 16 October 2003 7 years ago 18 sec 3.7
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Adult in the harbor.
Locality Pucusana, Lima Department, Peru (Monotypic species)
Cock Reijnders 17 September 2010 1 year ago 4.3 -
Adult bird in nonbreeding plumage
Locality Callao Province, Peru
Juan A Malo de Molina 26 October 2008 2 years ago 4.2 -
Flying
Locality Lima City, Peru
oleicfrisbee 35 weeks ago 4 -
Band-taild gull swimming in Pucusana port, Peru
Locality Pucusana, Lima Department, Peru
Nature Expeditions Peru 1 January 2009 2 years ago 4 -
Band-tailed gull resting in the Peruvian desert
Locality Pucusana, Lima Department, Peru
Nature Expeditions Peru 1 January 2009 2 years ago 4 -
face of adult Band-tailed gull
Locality Pucusana, Lima Department, Peru
Nature Expeditions Peru 1 January 2009 2 years ago 4
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A group of birds calling on the sea Locality Lima Department, Peru
Keith Blomerley 14 November 2004 2 years ago 4
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