Albert de Jong
Larus cachinnans 3CY PHTN July 15 2013, Visé, Belgium. Picture: Walther Leers.
Yellow PHTN and metal PLG DN-27566, ringed as pullus on May 26 2011, at Kozielno Paczkow Opolskie Poland (50,48333 16,96667).
Scapulars and coverts plain grey. Moult gap in central GC, exposing secondaries underneath. Old 2nd gen tail. Old 2nd gen outer primaries with small mirror on P10.