Albert de Jong
Larus cachinnans 2CY-3CY PUEX February 2011 & February 2012, France & Germany. Picture: Alain Fossé & Armin Deutsch.
Yellow PUEX and metal Kiev (UKK) L-009634; ringed as pullus on June 05 2010, at Cherkasy Kreminchuk reservoir, Ukraine (49,24'00"N 32,09'00"E).
below: cachinnans 2CY PUEX February 10 2011, CET La Séguinière, France. Picture: Alain Fossé.
No coverts & no tertials replaced in right wing, few coverts replaced in left wing.
below: cachinnans 3CY PUEX February 09 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.
Obvious mirror on P10. Centres of 2nd gen secondaries very blackish.