photo 2022: Yellow-legged
Gull michahellis adult, July 11 2002, Etaples, France
(50.44N,01.35E).
An adult with P7-P10 old. This individual is in
active tail-feather moult. Note also the fresh median coverts which are fresh
silvery grey, contrasting with the brown-hued greater and lesser coverts.
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