Herring Gull- Zilvermeeuw (argentatus & argenteus)

(last update: 5-10-2010)

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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 KH89 2cy (argentatus), Jan, Febr, May, Sept 2010 & Oct 2011, the Netherlands & France.

A Russian bird with on the left tarsus a white colour-ring KH89 and a metal ring Moskwa ES-14 783. It was born last summer along the coast of the White Sea in the Kandalaksha Nature Reserve (67.15N,32.30E), Murmansk District, Russia in a project of Vitaly Bianki. The exact data: ringed on July 15 2009 on Farvaternaya Island - Severnoe lesnichestvo, Kandalaksha Bay in the White Sea (67.05N,32.29E).

From this region, Kleinschmidt describes a large, very long-winged Larus argentatus major breeding from the SE Baltic towards the White Sea. It's a pale grey mantled and partly yellow-footed Herring Gull in adult plumage. The juvenile and 2cy plumage are not described. However, this bird strongly resembles the argentatus from Finnmark Scandinavia, entering the Netherlands by mid-winter.

below: KH89 2cy (argentatus), January 23 2010, IJmuiden, the Netherlands.

below: KH89 2cy (argentatus), January 29 2010, IJmuiden, the Netherlands.

This is a strong powerful argentatus with only the upper scapulars replaced for 2nd gen feathers as 2cy January. The scapulars show wear in the white notched fringes but the coverts and tertials appear remarkable fresh considering it's already late January. Note the rather dark, clay-brown tone of the plumage, unlike the paler, washed-out brown of first winter Dutch argenteus.

Herring Gull KH89 2cy (argentatus), February 14 2010, Boulogne-sur-Mer, France. Picture: J-M Sauvage.

Herring Gull KH89 2cy (argentatus), May 09 2010, IJmuiden, Netherlands. Picture: J. Zorgdrager.

Herring Gull KH89 2cy (argentatus), September 05 2010, IJmuiden, Netherlands. Picture: R. Hoeben.

Herring Gull KH89 3cy (argentatus), October 16 2011, IJmuiden, Netherlands. Pictures: Maarten van Kleinwee.

Note thayeri pattern on P9.

Herring Gull KH89 3cy (argentatus), October 30 2011, IJmuiden, Netherlands. Pictures: Maarten van Kleinwee.

Note thayeri pattern on P9.

Herring Gull KH89 3cy (argentatus), October 31 2011, IJmuiden, Netherlands.

Note thayeri pattern on P9.