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 | Herring Gull
      (argenteus)  NLA 6.169.883 2CY & 5CY, July - August  2013 & May 2016, Katwijk, the Netherlands.Local bird ringed metal Arnhem NLA 6.169.883, ringed as pullus (sex unknown) on June 28 2012 at Maasvlakte Europoort (Tennesseehaven), Zuid-Holland, NL (5158.00 N, 405.00 E), by ringer Hans Keijser.       Recoveries:18-9-2012 Leiden (Zijlpoort), Zuid-Holland, NL 5.209,00 N 430,00 E metal ringnumber read Maarten van Kleinwee
 25-9-2012 Leiden (Zijlpoort), Zuid-Holland, NL 5.209,00 N 430,00 E metal ringnumber read Maarten van Kleinwee
 29-9-2012 Leiden (Zijlpoort), Zuid-Holland, NL 5.209,00 N 430,00 E metal ringnumber read Maarten van Kleinwee
 10-11-2012 Leiden (Zijlpoort), Zuid-Holland, NL 5.209,00 N 430,00 E metal ringnumber read Maarten van Kleinwee
 2-12-2012 Leiden (Oude Rijn), Zuid-Holland, NL 5.216,00 N 451,00 E metal ringnumber read Jan Zorgdrager
 2-12-2012 Leiden (Oude Rijn), Zuid-Holland, NL 5.216,00 N 451,00 E metal ringnumber read Maarten van Kleinwee
 9-8-2013 Katwijk aan Zee (Binnenwatering), Zuid-Holland, NL 5.213,00 N 425,00 E metal ringnumber read Maarten van Kleinwee
 21-8-2013 Katwijk aan Zee (Binnenwatering), Zuid-Holland, NL 5.213,00 N 425,00 E metal ringnumber read Mars Muusse
 below: Herring Gull (argenteus) NLA 6.169.883 5CY, May 10 2016, Katwijk, the Netherlands. Herring Gull ringed as pullus on June 28 2012 at Markweg, Europoort, the Netherlands (51.9622765771802 N 4.10141944885254 E). P1 still present, complete moult not started. The "laughing gull" at the beach. 
 
 
 
 
 below: argenteus 2cy NLA 6.169.883 August 23 2013, Katwijk, the Netherlands.Moult stage: P7/-. 
  
 below: argenteus 2CY NLA 6.169.883 July 24 2013, Katwijk, the Netherlands.Complete moult: P5/P8. Almost all covert 2nd generation now. 
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