Albert de Jong
Larus cachinnans adult PEDN February 17 2012, Zagreb, Croatia. Picture: Ruud Altenburg.
Yellow PEDN; probably ringed as breeding adult at the nest on April 29 2011, at Kozielno Paczkow Opolskie, Poland (50,476598 16,98173 = border with Czech Republic).
Rounded head, obvious gonys angle and pale iris; impression of michahellis influences. However, plae tip on P10, but sight on more of the wing appreciated.