Photos are not brilliant, it was a long way off.
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You should always add the scientific name, too, so that you get the credit for the sighting.
Looks good for Scaup, although the amount of black on the bill tip looks more than I would normally expect for a Scaup.
My Flickr photos...
Lat/Lng: 54.167358, -2.800725
OS grid ref: SD478749
From Lillian's Hide.