Originally Posted by J. Moore
[Posting at the same time with Jane.]
Think it must be a Common Tern, though I'm not sure where the dark carpal bar is.
Perhaps an adult early into WP, or a 2nd year bird
Last Cheshire Pied Wheatear (313) last Red Rocks Subalpine Warbler (260), last Garden Bonaparte's Gull (209), last Self-found Citrine Wagtail (294)