photo 01: Yellow-legged Gull michahellis 3cy,
December 2000, Westkapelle, the Netherlands.
(51.33N,03.25E).
A more or less ordinary 3cy Yellow-legged
Gull, with P10 fully grown, the primary moult score is 50.
Note the immature dark bill-band.
It has relatively small tips on the
outer primaries P7-P10 and small tips on the tertials. There is some immature barring in the wing-coverts: barring
on three central greater coverts and central tertial.
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