Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans hybrid? 1CY-2CY PKUS December 28 2012 & March 06 2013, Malonne - Namen, Belgium. Picture: Alain de Broyer.
Yellow PKUS and metal PLG DN-28740; ringed as pullus on May 25 2012 at Kozielno, Paczkow, S-SW Poland, (50°28' N, 16°58' E).
Larus cachinnans hybrid? 2CY PKUS March 06 2013, Malonne - Namen, Belgium. Picture: Alain de Broyer.
Larus cachinnans hybrid? 1CY PKUS December 28 2012, Malonne - Namen, Belgium. Picture: Alain de Broyer.
Moult in scaps almost finished, coverts and tertials still juvenile. Pale underwing. Probably all features will just match pure cachinnans, but the head has very extensive fine streaking, not often seen in pure birds in December.