there were about a dozen Black & White duck with dirty green nape
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In principle you are right bit it's "Eider". Enter a revised ID and press "get recommended" for the Latin name.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 55.33596, -1.58009
OS grid ref: NU267047
Amble inner harbour