an informal birding record
tarsiger.co.uk
 
Herring Gull
 

Larus argentatus (argenteus?)

    

    

Above: Presumed adult (QE2 Reservoir, Surrey, 31 January 2009)

Overall structure and strong bill colours are enough to rule out a moulting Kumlien's Gull, despite the interesting ghosted primary pattern.

Above: QE2 Reservoir, Surrey (07 February 2009)

 

 

 

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