Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans PHPT 3CY, October 12 2013, Werkendam, the Netherlands. Picture: Merijn Loeve.
Bird ringed in Poland, data pending. Probably ringed yellow PHPT & metal PLG DN-27539, ringed as pullus on May 26 2011 at Jankowice Babice Malopolskie, Poland (50,03333 19,46667).
P9 f.g. P10 at P7. Dark immature spots in greater primary coverts. Black on outerweb of P3 and P4.