Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)
Larus cachinnans 2CY PNTC April & September 2014, the Netherlands. Picture: Theo Muusse & Eric Roeland.
Bird ringed yellow PNTC, ringed as pullus on May 24 2013 at Kozielno, Paczkow, S-SW Poland, (50°28' N, 16°58' E).
below: cachinnans 2CY PNTC September 28 2014, Oostvaardersdijk, the Netherlands. Picture: Eric Roeland.
Complete moult finished. Partial autumn moult includes inner coverts and upper tertials. Many scaps already grey.
below: cachinnans 2CY PNTC April 02 2014, Dordrecht, the Netherlands. Picture: Theo Muusse.
At river Merwede. Still P1 present. Several inner coverts replaced.