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The bird on the right (a female I believe) shows the sharp dividing line between breast and head colouring which should make this a Goosander, rather than the Red Breasted Merganser where the colours blend together more.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Loaded another picture, clearly shows it as a female goosander Thanks all
Lat/Lng: 51.0931, -4.1131
OS grid ref: SS521347