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: Adult Black-headed Gull E5AY, June 26, 2010, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E). Photo: Maarten van Kleinwee.Adult Black-headed gull, moulting to winter plumage. P1 and P2 in the left wing have been dropped (see inset) while in the right wing all primaries are still present. Below: Adult Black-headed Gull E5AY, July 23, 2010, Zoetermeer, Noordhovenseplas, The Netherlands (52.080N, 4.519E). Photo: Maarten van Kleinwee.Below: Adult Black-headed Gull E5AY, July 27, 2010, Zoetermeer, Zoetermeerseplas, The Netherlands (52.080N, 4.510E). Photo: Maarten van Kleinwee.
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