Herring Gull- Zilvermeeuw (argentatus & argenteus)

(last update: December 15, 2011 )

Coordinators:
Jean-Michel Sauvage (France)
Mars Muusse (the Netherlands)

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Herring Gull plumages:

hg 1cy July
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hg 1cy November
hg 1cy December

hg 2cy January
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hg 3cy January
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hg sub-ad January
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hg ad January
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Herring Gull (argentatus) HV786 1CY, November 08 2013, Katwijk aan Zee, the Netherlands. Picture: Frank van der Meer.

Ringed as pullus on July 06 2013 at Amrum, N Germany. Transition zone between British argenteus and Scandinavian argentatus.

Scapular moult: US=75-99%, LS=25-50%, TOT SCAPS=50-75%. Rectrices, coverts and tertials juvenile. Bill base pale.