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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June 13, 2009, Starrevaart, Leidschendam, The Netherlands(52.10N 04.43E). Photo: Maarten van Kleinwee.Juvenile Black-headed Gulls have a distinctive dark carpal bar, formed by the brown lesser- and median wing coverts. |