Herring Gull- Zilvermeeuw (argentatus & argenteus)

(last update: 4-10-2010)

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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 January
hg sub-ad February
hg sub-ad March
hg sub-ad April
hg sub-ad May
hg sub-ad June
hg sub-ad July
hg sub-ad August
hg sub-ad September
hg sub-ad October
hg sub-ad November
hg sub-ad December

hg ad January
hg ad February
hg ad March
hg ad April
hg ad May
hg ad June
hg ad July
hg ad August
hg ad September
hg ad October
hg ad November
hg ad December

Herring Gull F.LAH (argenteus), 2007 - 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Herring Gull F.LAH 1cy (argenteus), September 25 2007, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Bird ringed at Oostende, Belgium, 07 August 2007. Still no 2nd gen scapulars visible, but some u.s. missing.

Herring Gull F.LAH 1cy (argenteus), November 07 2007, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Scapulars replaced: us = 50-75% 2g; ls = 25-50% 2g; total scaps = 50-75% 2g.

Herring Gull F.LAH 3cy (argenteus), June 07 2009, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

P5 missing?

Herring Gull F.LAH 3cy (argenteus), October 23 2009, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Complete moult finished. Partial autumn moult included: upper tt, innermost gc and central mc and llc.

Herring Gull F.LAH 4cy (argenteus), September 23 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

P7 fully grown, no old primaries left. Central rectrices and cetral gc missing/growing.