Lesser Black-backed Gull (graellsii & intermedius)(last update: |
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lbbg 1cy May lbbg 2cy January lbbg 3cy Jan-April lbbg sub-ad Jan-April lbbg adult January |
third calendar year: November - December The birds shown here are in third winter plumage (3cy). LBBG in 3cy and 4cy can look very much the same in early winter, and particularly when the outer primaries are lost, it may be hard to age many of these sub-adults correctly. Those in 4cy are often recognized by and distinguished from 3cy by the grey outer primary coverts (though with black centres in most cases, as seen in full-adult LBBG as well) and the extensive white tips to the outer primaries and larger mirror on p10 (though this may be sex related and geographical variation . Also, in most cases, the black markings on the bill are less developed in 4cy birds; 4cy LBBG are more adult-like in bare part coloration. 3cy LBBG normally show some/all of these features:
Tables
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LBBG 3cy U.K.: graellsii |
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Lesser Black-backed Gull graellsii F:046 3CY-4CY, December 2016 - January 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques. | ||||||||||||||||||||||||||||||
Lesser Black-backed Gull graellsii 4R4:C 3CY, November 15 2016, Torreira beach, Aveiro, Matosinhos, Portugal. Picture: José Marques. | ||||||||||||||||||||||||||||||
Lesser Black-backed Gull graellsii 2CT8 3CY-4CY, December 2015 & September 2016, Matosinhos, Portugal. Picture: José Marques. | ||||||||||||||||||||||||||||||
Lesser Black-backed Gull graellsii L+R 3CY, November 09 2016, São Felix da Marinha, V.N.Gaia, Portugal. Picture: José Marques. | ||||||||||||||||||||||||||||||
LBBG CCE December 20 2009, Madrid, Spain. Picture: Delfín González. Also seen as January 3cy. | ||||||||||||||||||||||||||||||
. LBBG 3cy from France: graellsii "Dutch intergrade" . |
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LBBG 422N December 14 2008, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
. LBBG 3cy from Belgium: graellsii "Dutch intergrade" . |
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Lesser Black-backed Gull graellsii RKA.V 3CY, November 18 2016, Portimao Fish harbour, Portugal. Picture: Carl Baggott. | ||||||||||||||||||||||||||||||
. LBBG 3cy from the Netherlands: graellsii "Dutch intergrade" . |
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LBBG E546E November 27 2003, Westkapelle, the Netherlands. Picture Pim Wolf. | ||||||||||||||||||||||||||||||
Lesser Black-backed Gull graellsii K.AZX 2CY-5CY, August 2014, December 2015 & October 2016 - January 2017, the Netherlands & Portugal. Picture: Maarten van Kleinwee & José Marques. | ||||||||||||||||||||||||||||||
LBBG KNAP November 01 2009, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
. LBBG 3cy from N Germany: graellsii - intermedius . |
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LBBG H167 November 28 2010, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
Lesser Black-backed Gull graellsii HV447 3CY, December 05 2016, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques. | ||||||||||||||||||||||||||||||
LBBG H780 November 28 2010, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
LBBG H31C December 31 2008, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
. LBBG 3cy from Denmark: intermedius . |
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LBBG V623 November 28 2010, Madrid, Spain. Picture: Delfín González. | ||||||||||||||||||||||||||||||
unringed LBBG 3cy |
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LBBG 3cy November 08 2001, Westkapelle, the Netherlands. | ||||||||||||||||||||||||||||||
LBBG 3cy November 08 2001, Westkapelle, the Netherlands. | ||||||||||||||||||||||||||||||
LBBG 3cy November 08 2001, Westkapelle, the Netherlands. | ||||||||||||||||||||||||||||||
LBBG 3cy November 08 2001, Westkapelle, the Netherlands. | ||||||||||||||||||||||||||||||
LBBG 3cy November 08 2001, Westkapelle, the Netherlands. Same bird as in image 2. | ||||||||||||||||||||||||||||||
LBBG 3cy November 02 2002, Westkapelle, the Netherlands. P10 still present. |