an informal birding record
tarsiger.co.uk
 
Great Black-backed Gull
 

Larus marinus

Above: See ageing discussion below (Essex, 26 February 2011)

The coverts, pointed primary tips, all dark bill, amongst other features indicate this is a first winter bird. But note the strikingly dark blackish row of scapulars which appear rather advanced for this age.

 

 

 

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