photo 3: Yellow-legged
Gull michahellis adult, August 25 2000, Etaples, France
(50.44N,01.35E).
Primary
P6 almost fully grown and the old P10 still present. Note the active moult in
the inner greater coverts and the tail-feathers. The central tail-feathers are
new, fully-grown, the outer tail-feathers are still growing.
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