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 (argenteus) MHAD 2CY & 4CY, March 2011 & June 2013, Koksijde, Belgium & Noordwijk, the Netherlands. Picture: Peter Adriaens & Frank van der Meer.

Bird ringed as pullus on June 05 2010 at Zeebrugge (Voorhaven), West-Vlaanderen, Belgium (51°21'0''N 3°11'0''E)

Recoveries:
19/06/2010 Zeebrugge (Voorhaven), West-Vlaanderen, België 51°21'0''N 3°11'0''E
30/08/2010 Nieuwpoort (Westerstaketsel), West-Vlaanderen, België 51°9'0''N 2°43'0''E
14/03/2011 Koksijde (Strand), West-Vlaanderen, België 51°7'0''N 2°37'0''E
26/03/2011 Koksijde (Strand), West-Vlaanderen, België 51°7'0''N 2°37'0''E
24/08/2011 Nieuwpoort (IJzermonding), West-Vlaanderen, België 51°9'0''N 2°43'0''E
26/08/2011 Nieuwpoort (Westerstaketsel), West-Vlaanderen, België51°9'0''N 2°43'0''E
27/08/2011 Nieuwpoort (IJzermonding), West-Vlaanderen, België 51°9'0''N 2°43'0''E
10/11/2011 Nieuwpoort (Staketsel), West-Vlaanderen, België 51°9'0''N 2°43'0''E
15/05/2012 Zeebrugge (Voorhaven), West-Vlaanderen, België 51°21'0''N 3°11'0''E
14/03/2013 Koksijde (Strand), West-Vlaanderen, België 51°7'0''N 2°37'0''E
24/04/2013 Zeebrugge (Voorhaven), West-Vlaanderen, België 51°21'0''N 3°11'0''E
16/06/2013 Noordwijk (Strand), Zuid-Holland, Nederland 52°15'0''N 4°25'0''E

below: Herring Gull (argenteus) MHAD 4CY, June 16 2013, Noordwijk, the Netherlands. Picture: Frank van der Meer.

Obvious dark markings in tail, coverts and tertials. Fresh row of MC indicate active complete moult, hence inner primaries in process of replacement now.

below: Herring Gull (argenteus) MHAD 2CY, March 26 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

Worn juvenile plumage, with replaced scaps.

below: Herring Gull (argenteus) MHAD 2CY, March 13 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

Worn juvenile plumage, with replaced scaps.