Herring Gull- Zilvermeeuw (argentatus & argenteus)(last update: |
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Herring Gull plumages: hg 1cy July hg 2cy January hg 3cy January hg sub-ad January hg ad January |
Herring Gull 3CY, September 07 2015, Katwijk, the Netherlands.1CY, 2CY, 3CY. |