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argentatus / argenteus
graellsii / intermedius
michahellis
marinus |
Herring Gull 1cy 5.463.387 (argenteus) September 11 2011, IJmuiden, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed in The Netherlands.
First-calendar year Herring Gull in full juvenile (1st cycle) plumage. Gc4-5 maybe replaced.


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