Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 2CY XPCW March 20-28 2013, Champteussé-sur-Baconne, Maine-et-Loire, France. Picture: Alain Fossé.
Bird ringed as pullus on June 07 2012, at Oberspreewald-Lausitz, Brandenburg, Germany (51°42'00"N 014°06'00"E). This is 100 km SE of Berlin and Lausitz holds a mixed colony in the lake (Larus argentatus, cachinnans, michahellis).
White-headed, pale underwing, several inner median coverts replaced in post-juvenile moult.