Some images from the archives: this 2nd-calendar year Iceland Gull Larus glaucoides wintered in Den Helder, The Netherlands, from December 2008 until April 2009.
From memory, I think it took me 3 visits to eventually see it. These images were all taken on 7 February 2009.
The Timorpark in Den Helder where it was observed most and where these images were taken:
Gulls to the Horizon 