| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans N|R adult, October 02 2025,  Leadenham - Lincolnshire, England. Picture: Daniel Langston.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia  G-N|R and metal NLA 6.254.558, ringed as  breeding adult Larus cachinnans on May 01 2025 at  Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).   Recoveries:05-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 08-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 04-06-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 10-06-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 29-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 30-07-2025 King's Lynn (Vuiloverslag), Norfolk, ENGELAND 5.245,00 N 28,00 E colourring read David Hewitt
 19-09-2025 Leadenham (Vuilstort), Lincolnshire, ENGELAND 5.303,40 N 33,41 W colourring read Daniel Langston
 02-10-2025 Leadenham (Vuilstort), Lincolnshire, ENGELAND 5.303,40 N 33,41 W colourring read Daniel Langston
 Data for this nest in 2025: 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
          | date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | barcode | comments |  1-5-2025 | G-N|R | .6254558 | br-BJ (230) | PONT | M | >4CY | 453 | 1219 | 143,1 | 65,2 | 74,8 | 21,1 | 7 | 25B00657 | Trapped by    ringer. |  below: Caspian Gull cachinnans N|R adult, October 02 2025,  Leadenham - Lincolnshire, England. Picture: Daniel Langston.
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