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 M8 2CY & 4CY, June 2013 & February-March 2015, Noordwijk & Rotterdam, the Netherlands. Picture: Merijn Loeve.

Darvic ring GW-M8 and metal NLA 6.169.898, ringed as pullus on June 28 2012 at Europoort (Tennesseehaven), Zuid-Holland, NL (5158.00 405.00 E).

Recoveries:
1-7-2012 Europoort (Tennesseehaven), Zuid-Holland, NL 5.158,00 N 405,00 E captured by ringer H. Keijser & R.J. Buijs
6-11-2012 Rotterdam (Feijenoord), Zuid-Holland, NL 5.154,00 N 430,00 E colourring read S. Elzerman & M. van den Ouden
9-2-2013 Rotterdam (Feijenoord), Zuid-Holland, NL 5.154,00 N 430,00 E colourring read André Lagendijk
20-2-2013 Rotterdam (Feijenoord), Zuid-Holland, NL 5.154,00 N 430,00 E colourring read Sander Elzerman
25-2-2013 Rotterdam (Kop van Zuid), Zuid-Holland, NL 5.154,00 N 429,00 E colourring read Cornelis Fokker
1-3-2013 Rotterdam (Kop van Zuid), Zuid-Holland, NL 5.154,00 N 429,00 E colourring read Cornelis Fokker
23-3-2013 Rotterdam (Kop van Zuid), Zuid-Holland, NL 5.154,00 N 429,00 E colourring read Cornelis Fokker
15-6-2013 Noordwijk aan Zee, (Strand), Zuid-Holland, NL 5.214,00 N 425,00 E colourring read Maarten van Kleinwee
22-6-2013 Noordwijk aan Zee, (Strand), Zuid-Holland, NL 5.214,00 N 425,00 E colourring read Maarten van Kleinwee
24-6-2013 Noordwijk aan Zee, (Strand), Zuid-Holland, NL 5.214,00 N 425,00 E colourring read Mars Muusse

below: Herring Gull (argenteus) M8 2CY, June 24 2013, Noordwijk, the Netherlands. 

Bird in complete moult: P4/P7. Recs and secs juvenile.

below: Herring Gull argentatus M8 4CY, February 2015, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.

In many respects resembling 3CY bird, but grey adult-like inner primaries, and clearly black sub-terminal bands on central primaries. Nonetheless: brown outer primaries, no mirror on P10, very immature secondaries, brown GC, much black in tail, broad band on bill.

below: Herring Gull argentatus M8 4CY, March 2015, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.