| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans M|2 adult, April 23 2025,  colony Lelystad, the Netherlands.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-M|2 and metal NLA 5.641.003, ringed as  breeding adult Larus cachinnans on April 23 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:=
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | barcode | greyscale | comments |  
          | 23-4-2025 | G-M|2 | .5641003 | PLDP | PONT | F | >4CY | 442 | 953 | 122 | 56,7 | 62,7 | 18 | ACA25-9179 | 6 | Trapped by ringer. Breeder on 3    eggs. |  |