Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 1CY & 3CY PATN November 2009 & March 2011, Germany & Switzerland. Picture: Armin Deutsch & Picture: Michel Gorgerat.
Yellow ring from Poland. Ringed as pullus yellow PATN & metal PLG DN-26325 on May 21 2009 at Jankowice - Babice, S. Poland (50°02'N, 19°28'E).
below: cachinnans 1CY PATN November 05 2009, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.
Classic bird: white-headed, replaced inner GC, inner MC and single LLC and LC in post-juvenile moult.
below: cachinnans 1CY PATN November 19 2009, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.
First image: compare to argentatus.
below: cachinnans 3CY PATN March 06 2011, Lausanne / Ouchy lac Léman, Switzerland. Picture: Michel Gorgerat.
Obvious mirror on P10.