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 (argentatus) KW52 2CY, June - September 2013, Noordwijk, Hondsbossche Zeewering & IJmuiden, the Netherlands.

Bird from N Russia. Moskwa ES-17917 and KW52 yellow plastic ring. Ringed as pullus on July 12 2012, at Kandalakshskiy Nature Reserve, Severnoe lesnichestvo, isl. Lunnye, Murmansk O. Russia (67.05 N 32.29 E).

From this region, Kleinschmidt describes a large, very long-winged Larus argentatus major breeding from the SE Baltic towards the White Sea. It's a pale grey mantled and partly yellow-footed Herring Gull in adult plumage. The juvenile and 2cy plumage are not described. However, this bird strongly resembles the argentatus from Finnmark Scandinavia, entering the Netherlands by mid-winter.

Life history:
26.12.2012 Netherlands, Zuid-Holland, Europort Rotterdam 51.57 N 4.09 E
9,19,22,23.06.2013 Netherlands, Zuid-Holland, Noordwijk beach 52.15 N 4.26 E
10.08.2013 Netherlands, Noord-Holland, Castricum 52.33 N 4.40 E
22.08.2013 Netherlands, Noord-Holland, Hondsbossche Zeewering, near Petten 52.44 N 4.39 E
29.08., 04.09.2013 Netherlands, Noord-Holland, Hondsbossche Zeewering-km21 52.46 N 4.39 E
07.09.2013 Netherlands, Noord-Holland, Hondsbossche Zeewering, near Petten 52.44 N 4.39 E
15.09.2013 Netherlands, Noord-Holland, Northern harbour head, Velsen 52.28 N 4.34 E
06.11.2013 Netherlands, Zeeland, Brouwersdam, Spuisluis 51.45 N 3.49 E

below: Herring Gull (argentatus) KW52 2CY, June 19-22 2013, Noordwijk, the Netherlands. Picture: Mars Muusse, Maarten van Kleinwee.

P1-P2 new, P3 growing, P4 missing, P5-P10 old. Tail, secondaries and outer primaries still 1st generation (juvenile). Active complete moult P2/P5. Outer MC growing, central MC missing.

below: Herring Gull (argentatus) KW52 2CY, August 10 2013, Hondsbossche Zeewering, the Netherlands. Picture: Erwin Goutbeek.

P6 fully grown, P9-P10 old.

below: Herring Gull (argentatus) KW52 2CY, September 07 2013, Hondsbossche Zeewering, the Netherlands. Picture: Henry van Lierop.

P7 fully grown.

below: Herring Gull (argentatus) KW52 2CY, September 15 2013, IJmuiden, the Netherlands. Picture: Kees de Jager.