Herring Gull (argentatus & argenteus)

(last update: 17-1-2011)

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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 argenteus CSA.R 2cy-3cy, 2009-2010, Westkapelle, the Netherlands.

Ringed as pullus on July 02 2008 at Zeebrugge, Belgium. With metal Brussels H152739.

below: 2cy CSA.R (argenteus) September 19 2009, Westkapelle, the Netherlands. Picture: Maarten van Kleinwee.

Second-calendar year Herring Gull, moulting to second-winter plumage (second cycle, second prebasic moult). Many of the scapulars have been replaced by adult-looking gray feathers. The iris is dark, half of the bill is pink.

below: 2cy CSA.R (argenteus) October 01 2009, Westkapelle, the Netherlands.

below: 2cy CSA.R November 13 2009, Westkapelle, the Netherlands.

Primary moult finished. Partial autumn moult also finished, limited to upper tertial and innermost gc & mc and random some lc.

below: 3cy CSA.R (argenteus) September 20 2010, Westkapelle, the Netherlands. Picture: Maarten van Kleinwee.

Third-calendar year European Herring Gull, moulting to third-winter plumage (third cycle, third prebasic moult). The head, neck and chest show extensive dark streaking. The bill has a light-pink base and a yellow tip, divided by a black band. All of the mantle feathers, scapulars, lesser and median coverts have been replaced for grey adult looking feathers. Most of the tertials and many of the greater coverts still show brown colouring. P8 fully grown.