Photo 5290:
Yellow-legged Gull michahellis sub-adult,
October 03 2002, Le Portel,
France (50.43N,01.37E).
Primary P8 fully grown, P9 at the length of P7
and P10 at the length of P5: PMS of 47. Note the rather pale yellow tip and
pinkish base of the bill and the extensive black bill-band. The outer lesser
coverts have extensive dark centres, indicative for sub-adults and 3cy michahellis.
Note the very small tips on the outer primaries.
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