Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Coordinators:
Jean-Michel Sauvage (France)
Mars Muusse (the Netherlands)

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Herring Gull plumages:

HG 1cy July
HG 1cy August
HG 1cy September
HG 1cy October
HG 1cy November
HG 1cy December

HG 2cy January
HG 2cy February
HG 2cy March
HG 2cy April
HG 2cy May
HG 2cy June
HG 2cy July
HG 2cy August
HG 2cy September
HG 2cy October
HG 2cy November
HG 2cy December

HG 3cy January
HG 3cy February
HG 3cy March
HG 3cy April
HG 3cy May
HG 3cy June
HG 3cy July
HG 3cy August
HG 3cy September
HG 3cy October
HG 3cy November
HG 3cy December

HG sub-ad Jan.
HG sub-ad Feb.
HG sub-ad March
HG sub-ad April
HG sub-ad May
HG sub-ad June
HG sub-ad July
HG sub-ad Aug.
HG sub-ad Sept.
HG sub-ad Oct.
HG sub-ad Nov.
HG sub-ad Dec.

HG adult January
HG adult February
HG adult March
HG adult April
HG adult May
HG adult June
HG adult July
HG adult August
HG adult September
HG adult October
HG adult November
HG adult December

Herring Gull 3cy PJAD (argenteus) September - October 2010, Westkapelle & February 2012, Vlissingen, the Netherlands.

Ringed as pullus on July 19 2010 at Zeebrugge, Belgium. With metal Brussels H901753.

below: 3cy PJAD (argenteus) February 03 2012, Vlissingen, the Netherlands.

2nd gen flight feathers.

below: 1cy PJ.AD (argenteus) October 13 2010, Westkapelle, the Netherlands.

below: 1cy PJ.AD (argenteus) September 21 2010, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.

First-calendar year (1st cycle) European Herring Gull, moulting to first-winter plumage (first prebasic moult). Some upper and middle scapulars have been replaced by second-generation feathers.