| Coordinator: Greg Neubauer
 Marcin Przymencki
 Albert de Jong
 Mars Muusse
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 | Larus cachinnans  PLDP  9CY-14CY, April  2020 - March 2025,  the Netherlands. Picture: Mars Muusse.This bird hatched in Poland: metal PLG DN28853 and yellow PLDP, ringed as pullus in a Caspian Gull colony (Larus cachinnans kolonia) on may 25 2012 at ZB. KOZIELNO, PACZKÓW, POLAND (OPOLSKIE), by ringers Jacek Betleja & Jakub Szymczak. Recoveries:29/04/2013, Klingnauer Stausee, Leuggern, SWITZERLAND (AARGAU), SEMPACH .HES, Weiss Ernst
 16/10/2013, Deponie Pohlsche Heide GERMANY (NORDRHEIN-WESTFALEN: DETMOLD), Armin Deutsch
 03/11/2013, Beversee, GERMANY (NORDRHEIN-WESTFALEN: ARNSBERG), Klaus Nowack
 25/12/2015, Seltz : Gravière, FRANCE (BAS-RHIN), Yann Carasco
 24/02/2017, Atterro, NETHERLANDS (GELDERLAND), Peter Lindeboom
 29/01/2019, River Rhin, Seltz, FRANCE (BAS-RHIN), Yann Carasco
 24/05/2019, Lelystad, Bataviahaven, NETHERLANDS (FLEVOLAND), Albert de Jong & Roland-Jan Buijs
 17/03/2020, Lelystad, Bataviahaven, NETHERLANDS (FLEVOLAND), Albert de Jong
 15/04/2020, Lelystad, NETHERLANDS (FLEVOLAND), Mars Muusse & Albert de Jong
 24/04/2021,  Lelystad, NETHERLANDS (FLEVOLAND), Mars Muusse & Albert de Jong
 09/05/2021,  Swifterbant, NETHERLANDS (FLEVOLAND), Mervyn Roos & 
  Erwin Booij
 09/07/2021,  Lelystad, NETHERLANDS (FLEVOLAND), Mars Muusse & Albert de Jong
 11/09/2021,  Oostvaardersplassen, NETHERLANDS (FLEVOLAND),
  Eric Roeland & Albert de Jong
 15/09/2021,  Lelystad:Nonnetje, NETHERLANDS (FLEVOLAND),
      Eric Roeland
 04/01/2022,  Almere: de Vaart, NETHERLANDS (FLEVOLAND),
      Eric Roeland
 24/05/2022,  IJmeer,Amsterdam-IJburg,
NETHERLANDS (NOORD-HOLLAND).
 03/07/2022,  Strekdam, Amsterdam, 
NETHERLANDS (FLEVOLAND).
 25/01/2023,  Wilp - Bedrijventerrein Sluinerweg, 
NETHERLANDS (GELDERLAND), Tim Raats
 20/02/2023, Almere de Vaart, 
NETHERLANDS (FLEVOLAND), Thijs Horst & 
Mars Muusse
 17/03/2023, Almere de Vaart, 
NETHERLANDS (FLEVOLAND), Thijs Horst & 
Mars Muusse
 10/05/2023, Amsterdam, 
NETHERLANDS (FLEVOLAND), Ewout Huibers
 08/11/2023, Nonnetje, Lelystad,
NETHERLANDS (FLEVOLAND), Thijs Horst
 16/01/2024, Almere de Vaart, 
NETHERLANDS (FLEVOLAND), Thijs Horst & 
Mars Muusse
  
 below: Larus cachinnans  PLDP  14CY, March 16 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.Again in the colony, after absence for several years, when it was breeding near Amsterdam. 
 below: Larus cachinnans  PLDP  14CY,   January 03 2025, Almere - De Vaart, the Netherlands.  Picture: Thijs Horst.
 below: Larus cachinnans  PLDP  13CY, January 16 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst & Mars Muusse.
 below: Larus cachinnans  PLDP  12CY, February 20 2023, Almere, the Netherlands.  Picture: Mars Muusse.  
  
 below: Larus cachinnans  PLDP  9CY, May 07 2020, Lelystad, the Netherlands.
 Picture: Mars Muusse.   Caspian Gull (Larus cachinnans) adult, 
    breeding bird at nest 05. P3-P10 still old.
  
 below: Larus cachinnans  PLDP  9CY, April 15 2020, Lelystad, the Netherlands.
      Breeding bird in the recently established colony near Lelystad, 
  breeding bird at nest 05. Mixed colony of Lesser Black-backed Gull (dominance), Herring Gull, Caspian Gull, Yellow-legged Gull (few) and Spoonbill.Birds breeding on islands, artificial breakwaters at the entrance of the harbour.
 Complete moult started: P1 missing. 
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