an informal birding record | tarsiger.co.uk |
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Large dark-backed Gull |
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Larus fuscus graellsii/marinus? Above: Adult (Essex, 26 February 2011) This huge individual was Great Black-backed sized, with a stout hatchet bill to match. At the time, it didn't really suggest Heuglin's, with thoughts being more around an outsized Lesser Black-backed (graellsii) or perhaps even a Great Black-backed (marinus) hybrid.
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