Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 2CY PHSP October 04 2012, Westkapelle, the Netherlands. Picture: Maarten van Kleinwee.
Yellow PHSP and metal PLG DN-27551; ringed as pullus on May 28 2011, at Kozielno Paczkow Opolskie, Poland (50,476598 16,98173).
Note the faint hint of a mirror on P10.