Lesser Black-backed Gull graellsii EA44 7cy, April 22 2002, Missouriweg - ECT, Maasvlakte, the Netherlands (51.59N,04.02E).
An adult ringed, left orange EA44. Ringed as a pullus on the nest July 1996, near the current breeding spot. Note that the head moult started this spring and is visible around the eye where some feathers are missing. Note the worn tips of the outer primaries and the dark streak on the lower mandible.