L. f. graellsii 1cy TWAL September 21 2011, Westkapelle, the Netherlands. Picture Maarten van Kleinwee.
Ringed as pullus on July 08 2011 at Zeebrugge, Belgium.
First-calendar year Lesser Black-backed Gull moulting to first-winter (first-basic, first cycle) plumage. Some of the mantle feathers and a few scapulars have been replaced by barred second-generation feathers.
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