Black-headed Gull L. ridibundus Moskwa DB023821 adult 20cy, December 17 2006, Amsterdam, the Netherlands (52.22N,04.51E).
Bird ringed in Lake Engure, LETLAND (5715.00 N 2307.00 E) on 30 June 1987 and present in winter in Amsterdam from 2001 onwards. Code on ring now completely faded, but unfortunately again not caught for an aditional plastic ring.
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