Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 2CY PLNC January 15 2013, Bergen, the Netherlands. Picture: Arnold Wijker.
Yellow PLNC and metal PLG DN-28928, ringed as pullus on May 25 2012, at Kozielno, Paczkow, S-SW Poland, (50°28' N, 16°58' E).
Classic bird in white head, tertial pattern, pale greater covert bar and plain grey latest replaced scapulars.