Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 1CY 230:S September 21 2014, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.
Ringed in Slovakia. Ringing data: ringed as pullus on June 17 2014 at Slanica, Oravská priehrada – Vtáčí ostrov, Námestovo district, Slovakia (49°24’50N, 19°30’30E).
Most of the scapulars replaced. Single rear lower scaps still juvenile. Coverts and tertials all juvenile.