Herring Gull- Zilvermeeuw (argentatus & argenteus)
(last update:
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
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Herring Gull A5AB (argenteus), November 2007 - September 2009, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Herring Gull A5AB 1cy (argenteus), November 15 2007, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Bird ringed at Essex, U.K. Taken into care for a while as orphan / botulism victim (but nestling from the coast), then released at 07 June 2007. Many scapulars replaced: us = 100% 2g; ls = 75-99% 2g; total scaps = 75-99% 2g.
Herring Gull A5AB 2cy (argenteus), March 08 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Only slight progress: us = 100% 2g; ls = 75-99% 2g; total scaps = 75-99% 2g.
Herring Gull A5AB 2cy (argenteus), September 03 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Complete moult almost finished. P8 fully grown, no old primaries left. Partial autumn moult started with upper tertials again replaced (tt2 growing); gc2 missing, and probably mc2 as well. Several l.s. missing; 3rd gen u.s. again 2nd gen like in pattern.
Herring Gull A5AB 3cy (argenteus), September 23 2009, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Complete moult almost finished. P8 fully grown, no old primaries left.
Herring Gull A5AB 4cy (argenteus), December 07 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage. Note dark pattern on greater primary coverts.
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