Above: Walton-on-Thames, Surrey (15 January 2012)

Continental Great Cormorant (P. c. sinensis) or Atlantic Great Cormorant (P. c. carbo)?

Compare the shape of the yellow gular area with the sketches below - especially the angle of the mid-rear corner of the rear gular area (i.e. at the basal end of the gape). And see this Atlantic Great Cormorant for comparison.

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