Larus armenicus 2cy, 26 November 2010, Ashdod, Israel. Picture: Amir Ben Dov.
Recently replaced wing-coverts and upper tertials in the partial autumn moult stand out as more adult-like, grey feathers. Old feathers typical 2nd gen like, with anchor pattern. primaries 2nd gen, without mirror on P10. Second generation tail with broad tail-band. Secondaries mix of 2nd gen (broad black centre) and 3rd gen patterned (more adult-like grey) feathers.
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