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Keywords from Image Description:
Phalacrocorax nigrogularis. Socotra Cormorants from The Natural History of Sokotra and AbdelKuri Adult male bird probably in secondyear plumage and bird in firstyear plumage org creator Henrik Grnvold Engraved by the firm of Bale Danielsson Ltd after an original by Henrik Grnvold from contribution by William Robert OgilvieGrant