Lesser Black-backed Gull graellsii E702 9cy, April 05 2003, Missouriweg, Maasvlakte, the Netherlands (51.59N,04.02E). 

This individual was seen at the exact spot last year, on July 04 2002 with two pulli. The final stage of the breeding process was not establsihed. This is probably an adult male. Ringed 09 July 1995 as a pullus near the current breeding spot.