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Thanks for the ID - a bit surprised to have seen one in this area - should I be?
I would imagine that they are vey common in winter off that coast, though I have never looked there. Off the Yorkshire coast they are very common, though don't usually come very close in. They are a bird you can often ID on jizz, as they have the long, low body and tend to hold their head slightly back with the upturned bill pointing up slightly, as in your first picture.
My Flickr photos...
Lat/Lng: 56.0275, -2.8712
OS grid ref: NT458819