Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 3P10 sub-adult, April 17 2014, Wytyckie Lake - Urszulin, Poland. Picture: Łukasz Bednarz ringing team.
For 2012, breeding location of 150 pairs cachinnans, of which 54 adults ringed and 158 pulli in 2012 (pers comm. Łukasz Bednarz).
Breeding bird trapped at the nest. Sub-adult, with deep tongue on P10, and broad band on P5. Heavy speckling in iris; red orbital ring and orange gape. Pinkish legs with green-yellow hue. This is probably a male.