Yellow-legged
Gull michahellis 4CY HES 895217 June 29 2005, Chablais de Cudrefin, Switzerland. Picture: Stephane Aubry.
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Local from Switzerland: ringed as pullus on May 31 2002 at Fanel, Switzerland.
Aged by combination of features: 3rd gen primaries with mirror on P10, white head and adult-like bill, no broad complete tail-band; this combined with immature patterns on coverts and tertials, and often also in tail.

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