Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 2CY XKCK January 04 2012, Katwijk, the Netherlands. Picture: Sjaak Schilperoort.
Bird ringed green XKCK and metal DEH EA-180568 as Yellow-legged Gull (Larus cachinnans ssp.). Ringed as pullus on June 11 2011 at Klein Partwitz Bautzen Sachsen, Germany (51,51579 14,15828).
Strongly recalling pure cachinnans, although origin from mixed colony: white head, covert pattern, bill.