Black-headed Gull Chroicocephalus ridibundus(last update: |
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Moderators: BHG 1cy May BHG 2cy January BHG adult January
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Below: Third-calendar year Black-headed Gull Arnhem 3649106, April 18, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E). Photo: Maarten van Kleinwee
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