Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 3CY 53P2 February 03 2016, Barneveld, the Netherlands. Picture: Herman Bouman.
Red ring from Poland used in 2014, ringed May 15 2014. 300 pulli were ringed this year, all pulli in May 2014 at the Kozielno colony, Paczkow, Poland, ringed by Jacek Betleja. See: ZB.KOZIELNO,PACZKÓW, POLAND (50°28'35.8''N 16°58'54.2''E).
Small mirror on P10.
Larus cachinnans 1CY 53P5 August 17 2015, IJmuiden, the Netherlands.
Juvenile in pooring rain.