Lesser Black-backed Gull graellsii EP68 6cy, April 22 2002, Missouriweg - ECT, Maasvlakte, the Netherlands (51.59N,04.02E). 

An adult ringed, left orange EP68. There is also a metal ring on the right leg. The tips on the outer primaries are relatively small and most of the white part is worn a way. On p10 a small sized mirror is visible. The wing-coverts and the scapular region look very neat and tidy, lacking any moult gap. The red gonydeal spot extends well on the upper mandible. This bird was ringed at the nest as a pullus July 2 1997, born near the spot where its currently breeding.