Might as well throw in another gull for ID. Smaller than accompanying michahellis and argenteus, closer in size to delawarensis, which it obviously is not.
Paler than graellsii, all according to the observer.
JanJ
Gull England 12 Feb 2009
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Re: Gull England 12 Feb 2009
Well well, apparently they DO fly to the north sometimes as well 

Re: Gull England 12 Feb 2009
They can apparently. 

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similar bucharest YLG
hi,
this one looks similar. not only lusitanicus show such a broad subterminal mark to bill, pic from today, james avery: http://www.birdforum.net/attachment.php ... 1261233345
same bird in flight http://www.birdforum.net/attachment.php ... 1261235890 and http://www.birdforum.net/attachment.php ... 1261235905
lou
this one looks similar. not only lusitanicus show such a broad subterminal mark to bill, pic from today, james avery: http://www.birdforum.net/attachment.php ... 1261233345
same bird in flight http://www.birdforum.net/attachment.php ... 1261235890 and http://www.birdforum.net/attachment.php ... 1261235905
lou