an informal birding record | tarsiger.co.uk |
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Caspian Gull |
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Larus cachinnans Above: 2nd winter/2nd calendar year (Essex, 27 November 2010) Because of the large number of birds and the frequent turnover of individuals (as birds move up, down and through the Thames corridor), only rarely do we refind individual birds from one week to another. However, this bird was refound several weeks later on 18 December.
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