| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 |  Caspian Gull cachinnans R|F 1CY, July 29 2025,  Bredene, Belgium. Picture:  Bart Put & Nathalie Colpaert.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-R|F and metal NLA 5.641.897, ringed as  pullus Larus cachinnans on May 31 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:29-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 29-07-2025 Bredene (Strand), West-Vlaanderen, BELGIE 5.115,00 N 257,00 E colourring read Bart Put
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |  
          | 31-05-2025 | G-R|F | .5641897 | on water around    X60J. X60J and g-A|B alarming above | PONT |  | pullus |  | 675 | 99,9 |  |  |  | Ringed pullus |  
          | 09-06-2025 | G-R|F | .5641897 |  | PONT |  | pullus |  | 775 |  |  |  |  |  |  below: Caspian Gull cachinnans R|F 1CY, July 29 2025,  Bredene, Belgium. Picture:  Nathalie Colpaert.
 below: Caspian Gull cachinnans R|F 1CY, July 29 2025,  Bredene, Belgium. Picture:  Bart Put.
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