Lesser Black-backed Gull 2CY, July 20 2016, Utrecht, the Netherlands.
					Bird with advanced winter moult, included tertials, coverts and tail. New coverts are 3rd gen. P1-P5 new, P6 growing. P8-P10 old. Tail ad outer secs 2nd gen, probably a large portion has been renewed last winter. 
  
	  
	  
	  
	  
	  
	  
	  
	  
	  
	  
	 
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