photo 5563: Yellow-legged
Gull michahellis 5cy?, July 27 2001, Le Portel, France
(50.44N,01.35E).
In general very adult-like, including mirrors
on P9 and P10, but note the black central markings on the greater primary
coverts, maybe a sign of immaturity. The inner median and lesser coverts have
been shed.

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