Lesser Black-backed Gull 2CY, May 27-30 2016, Utrecht, the Netherlands.
					below: Lesser Black-backed Gull 2CY, May 27 2016, Utrecht, the Netherlands. 
					Many inner wing-coverts and the upper tertials were replaced on the wintering grounds, now 2nd gen coverts still looking fresh, and contrasting with worn juvenile outer coverts. 
  
  
below: Lesser Black-backed Gull 2CY, May 30 2016, Utrecht, the Netherlands.
  
 
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