Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 4CY female UKK T-001671 April 28 2012, Minsk Gatovo roofcolony, Belarus. Picture: Dmitry Goncharov.
Metal ring Kiev (UKK) T-001671; ringed as pullus on June 13 2009 at Kanev, Cherkassy O., Ukraine (49°46'00"N, 31°28'00"E). Now in the rooftop breeding colony in Minsk.
Note dark marks in central tertial and in carpal edge.