an informal birding record | tarsiger.co.uk |
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Lesser Black-backed Gull hybrid? |
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Larus fuscus x argenteus? Above: Adult (Essex, 07 November 2010) Is a small L. a. argentatus ruled out by the primary pattern? A thickish bright red orbital ring was apparent on this petite adult (see below). My best guess is some kind of Herring Gull x Lesser Black-backed Gull hybrid (most likely L. a. argenteus x L. f. graellsii).
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