an informal birding record | tarsiger.co.uk |
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'Scandinavian' Herring Gull |
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Larus argentatus argentatus Above: 4th winter/4th calendat year or perhaps adult (Essex, 20 Novermber 2010) Adult plumage except for the bill pattern and the retained dark eye (which is not an uncommon adult feature of L. a. argentatus).
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