14 October 2009

Ad. Lesser black-backed gulls (L. fuscus). 04-10-09.



The first three pictures are from the same individual from Belgium. Graellsii


This individual was ringed in winter in Tarragona some winters ago


This is intermedius from Norway.

Ad. Lesser black-backed gulls (L. fuscus). 04-10-09. Some colour-ringed individuals of known origin and one ringed in winter.

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