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Message: <blockquote data-quote="Rainer" data-source="post: 1726008" data-attributes="member: 14273">Hi all,thanks a lot for all your answers,  I have learnt a lot, but my confusion still lasts on. As it seems that there is an agreement in opinions for the 3cy caspian gull, I would like to focus on the adult. The eye was really very dark, is it possible that an adult Herring Gull shows such a dark eye?  There is only one blurred image (from a film) which shows open wings, it's a pity. Also attached is an small video clip, which may help. For me it looks even more bulkier than on the first photo.To the probability of large Gulls in this area:In the last three winters only 6 stayed at least one day: 3 Herring (identified and accepted by birdforum.net <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" /> ), 1 Lesser Black-backed, 1 Greater Black-backed Gull (accepted by the rarity commitee) , 1 unidentified. Strange that there was no Yellow-legged Gull, which I thought is the most likely species. I hope I can get some better viewings and photos of the gulls in better light in the next days.Rainer</blockquote>