| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans R|S 1CY,  August 10 2025,  St.Ouen's Bay -  Jersey, England. Picture: Romano da Costa.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-R|S and metal NLA 5.641.913, 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:13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 25-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 10-08-2025 St.Ouen's Bay (Strand), Jersey, ENGELAND 4.920,00 N 222,00 W colourring read Romano da Costa
 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|S | .5641913 | g-N|C &    g-N|E | PONT |  | pullus |  | 787 |  |  |  |  | Ringed pullus |  
          | 09-06-2025 | G-R|S | .5641913 |  | PONT |  | pullus |  | 758 |  |  |  |  |  |  Caspian Gull cachinnans R|S 1CY,  August 10 2025,  St.Ouen's Bay -  Jersey, England. Picture: Romano da Costa.
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