an informal birding record | tarsiger.co.uk |
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'Scandinavian' Herring Gull |
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Larus argentatus argentatus Above: Juvenile/1st calendar year (Essex, 19 December 2009) A late or delayed moutling individual, with just one lower scapular, a few mantle feathers and one lesser covert moulted to first winter (second generation) plumage.
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