Lesser Black-backed Gull graellsii 8||Y 2CY, May 09 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.
	  Please visit José's FLICKR PHOTO STREAM and also José Blog "Seabirds Portugal". 
      OBSERVATION REPORT 
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RINGS 
Color ring - Y[8IIY] 
Metallic ring 
      EURING code - 05910 - www.cr-birding.org/node/1196  
        Right leg (tibia) - Yellow  ring with a black two alpha-numeric code 
        Left leg (tibia) - Metallic  ring 
        Ringer - Roland-Jan Buijs 
        Age at first ring - - Date - 
        Place where ringed - Holland 
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        SPECIES 
        Type of bird - Larus fuscus 
        Age & Sexe - immature -  unknown 
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        OBSERVATION 
        Date of the sighting -  09.05.2017 - Time - morning 
        - my sightings/2017 - 1 -  total of my sightings: 1 
        Place - Leixões harbour,  Matosinhos, Portugal 
        Coordinates: - 41.1823988,  -8.6970061 
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        LIFE HISTORY 
        Date Location Observer 
      09-05-2017 Leixões harbour, Matosinhos, Portugal - José Amaral  Marques 
      Probably ringed as pullus on July 11  2016 at  Europoort (Dintelhaven), Zuid-Holland, Holland. 
      Some inner coverts were replaced for 2nd gen. 
 
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