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 BZAB 18CY, September 12 2015, Equihen-Plage, Pas-de-Calais, France. Picture: Johan op den Dries.

Herring Gull blue BZAB and metal ring BLB H112397. Ringed in winter 2001, as 4th CY bird, hatch year 1998. Sex undetermined.

Bird in last stage of complete moult: P7 fully grown, P8 > P6. Tip of P9 just visible.

Interesting bird regarding bill pattern: much black on bill (compare to adjacent adult birds).

14/02/2001 Oostende, West-Vlaanderen, België 51°14'0''N 2°56'0''E INBO kl
14/02/2001 Oostende, West-Vlaanderen, België 51°14'0''N 2°56'0''E INBO me
20/02/2001 Oostende (Zeedijk), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
24/02/2001 Oostende (Zeewezendok), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
07/03/2001 Oostende (Zeedijk), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
12/03/2001 Oostende (Zeedijk), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
08/02/2002 Oostende, West-Vlaanderen, België 51°14'0''N 2°56'0''E Vandenbulcke, Paul wa
08/08/2002 Boulogne-sur-Mer (Strand), Pas-de-Calais, Frankrijk 50°44'0''N 1°35'0''E Duponcheel, Camille wa
06/09/2005 Le Portel, Pas-de-Calais, Frankrijk 50°44'0''N 1°35'0''E Ferrer, Joan wa
29/10/2005 Le Portel (Haven), Pas-de-Calais, Frankrijk 50°44'0''N 1°35'0''E Paris, Olivier wa
12/10/2007 Calais (Haven), Pas-de-Calais, Frankrijk 50°57'0''N 1°50'0''E Decory, Patrick wa
21/09/2008 Le Portel (Strand), Pas-de-Calais, Frankrijk 50°42'0''N 1°34'0''E Sauvage, Jean Michel wa
07/06/2009 Calais (Haven), Pas-de-Calais, Frankrijk 50°57'0''N 1°50'0''E Dumont, Philippe wa
28/08/2009 Boulogne-sur-Mer, Pas-de-Calais, Frankrijk 50°44'0''N 1°35'0''E Voesten, Rob wa
27/11/2009 Calais (Haven), Pas-de-Calais, Frankrijk 50°57'0''N 1°50'0''E Decory, Patrick wa
27/11/2009 Calais (Haven), Pas-de-Calais, Frankrijk 50°57'0''N 1°50'0''E Dumont, Philippe wa
21/04/2010 Oostende (Cobelfret), West-Vlaanderen, België 51°14'0''N 2°56'0''E Stienen, Eric wa
23/04/2010 Oostende (Cobelfret), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
28/04/2010 Oostende (Cobelfret), West-Vlaanderen, België 51°14'0''N 2°56'0''E François, Roland wa
05/05/2010 Calais (Haven), Pas-de-Calais, Frankrijk 50°57'0''N 1°50'0''E Decory, Patrick wa
09/10/2013 Le Portel, Pas-de-Calais, Frankrijk 50°42'0''N 1°34'0''E Steudtner, Jürgen wa
09/10/2013 Le Portel, Pas-de-Calais, Frankrijk 50°42'0''N 1°34'0''E Steudtner, Jürgen mv
12/09/2015 Equihen-Plage (Strand), Pas-de-Calais, Frankrijk 50°41'0''N 1°34'0''E op den Dries, Johan wa