Herring Gull- Zilvermeeuw (argentatus & argenteus)

(last update: 4-10-2010)


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 68A 1cy - 2cy (argenteus), November 19 2007 & September 24 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Herring Gull 68A 1cy (argenteus), November 19 2007, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Bird ringed at Loon Plage, France on 26 June 2007. Almost all scapulars replaced: us = 75-99% 2g; ls = 75-99% 2g; total scaps = 75-99% 2g. Most recently replaced scapulars have a grey base.

Herring Gull 68A 2cy (argenteus), September 24 2008, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

At the end of the complete moult: P8 fully grown, P9-P10 growing.