photo 5616: Yellow-legged
Gull michahellis group, July 27 2001, Etaples, France
(50.44N,01.35E).
Left to right: Wing raising adult with P8-P10
old (& P4 fully grown), adult with P8-P10 old (& P3 fully grown) and a
3cy with P8-P10 old and P5 at the length of P4 (hence classified P5 fully grown
in our scores).

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