Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 3P45 adult, April 26 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. Adult, with deep white tongue on P10 (which does not end squarish), and full broad band on P5; black spot on P4. Dense speckling in iris. Red orbital ring and gape. No red on upper mandible; faint black on lower and upper mandible. Pink-fleshy legs with yellow hue.