Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 1CY PLNT December 25 2012, Valvodino A Coruna, Spain. Picture: Antonio Gutierrez.
Yellow PLNT and metal PLG DN-28937, ringed as pullus on May 25 2012, at Kozielno Paczkow Opolskie Poland (50,48333 16,96667).
Replaced coverts and upper tertials clearly different in pattern, with neat white fringes.