an informal birding record
tarsiger.co.uk
 
Lesser Black-backed Gull hybrid?
 

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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