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 F|R 2CY, February & May 2019, Katwijk, the Netherlands.

Tibia W-F|R and metal NLA 6204739, ringed as 1cy Larus argentatus on 4-9-2018 at Scheveningen (Boulevard), Zuid-Holland (NL 5206.00 N 417.00 E), by ringer Roland-Jan Buijs.

Recoveries:
12-09-2018 Scheveningen (Boulevard), Zuid-Holland, NL 5.206,00 417,00 E colourring read N. Huig & R.J. Buijs
07-12-2018 Den Haag (Zuiderpark), Zuid-Holland, NL 5.203,00 417,00 E colourring read Leo Snellink
20-12-2018 Den Haag (Zuiderpark), Zuid-Holland, NL 5.203,00 417,00 E colourring read Leo Snellink
18-01-2019 Meijendel (Strand), Zuid-Holland, NL 5.208,00 419,00 E colourring read Peter Spierenburg
07-02-2019 Den Haag (Zuiderpark), Zuid-Holland, NL 5.203,00 N 417,00 E colourring read Leo Snellink
17-02-2019 Scheveningen (Havens en Havenhoofden), Zuid-Holland, NL 5.206,00 N 416,00 E colourring read Marius van der Flier
25-02-2019 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Mars Muusse
25-05-2019 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Mars Muusse
26-05-2019 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Mars Muusse

below: Herring Gull F|R 2CY, May 26 2019, Katwijk, the Netherlands.

Construction works going on: Authorities raise the beach with sand replenishment.

below: Herring Gull F|R 2CY, February 25 2019, Katwijk, the Netherlands.

Only few upper scaps replaced recently, lower scaps still juvenile. Probably from northern stock.