Black-headed Gull Chroicocephalus ridibundus(last update: |
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Moderators: BHG 1cy May BHG 2cy January BHG adult January |
Black-headed Gull - 2cy AprilThis section deals with second-calendar year Black-headed Gulls in the month of April. Introduction In April, second-calendar year Black-headed Gulls undergo a partial moult into "first summer" plumage which has started in February (generally one month later than adults) and is generally completed in May). The plumage is characterized as follows:
Most of the description follows:
| Black-headed Gull 2cy, TT02 April 9, 2011, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy April 20, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy April 20, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E) Photo: Maarten van Kleinwee. |
Black-headed Gull 2cy April 20, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy April 20, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy, E5YE April 27, 2013, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy, E5YY April 28, 2013, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy, EAN3 April 28, 2013, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E) Photo: Maarten van Kleinwee. |
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Black-headed Gull 2cy April 30, 2010, Starrevaart, Leidschendam, The Netherlands (52.10N 04.43E) Photo: Maarten van Kleinwee. |
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