Larus fuscus fuscus 2cy C.SJ4 April 01 2011, Ashdod. Picture Amir Ben Dov.
Yellow CSJ4 from Finland, ringed 2010. All scapulars replaced a while ago, the fringes are worn by early April. Active moult in the wing-coverts, tail and primaries, with the outer gc still old, juvenile, and the secondaries that are visible due to the moult gap are still juvenile as well. P4 fully grown, P5 and P6 growing, P7-P10 still old. There is not much visible of the tail, but the single feather in this picture is 2nd gen.
|