Common Gull - ad. W ~ Greenhithe, Kent - 05.01.13

Wednesday 9 January 2013

A few images of adult birds in winter plumage

Common Gull ~ ad. W

Ad. W - Wing
Probable Adult Male Wing

Note: Male averages larger than female and generally with largest white mirrors on P10-P9.

P9 in male 35-50 mm - female 22-40 mm.

Small percentage with P8 mirror on inner web.

Now compare to ......

2nd. W - Wing

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