| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 Nests at Lelystad 2024:   | Caspian Gull cachinnans  B|1 1CY, May 14 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
        
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            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia ring G-B|1 and metal NLA 5.631.179, ringed as pullus Larus cachinnans on May 14 2024 in nest 017-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).      Found dead in 1st week of June.
 Recoveries:04-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E found dead T. Horst & M. Muusse
 Visits and       data 2024. 
        
        
        
          | NEST code | parent 1 | parent  2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL    NEST: |  
          |  |  |  | 73,1 | 51,4 | 97,24 | 68,6 | 50,2 | 87,04 | 71,7 | 52,2 | 98,37 | 282,65 |  
          | 017-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 14-4-2024 | 12-5-2024 |  |  |  |  |  
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          | dam: | dam 2 central |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | 17-2021/2022/2023 |  
          | parents? | Same? |  |  |  |  |  |  |  
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          | ring pulli: | 18-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
          | 14-05-2024 | g-B|1 | .5631179 | nest 17 | PONT |  | 1CY |  | 188 |  |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 21-04-2024 | eggs: | 3 eggs, measured. |  
          | 07-05-2024 | nest: | 3 eggs,  hatching. |  
          | 14-05-2024 | nest: | 1 egg,  hatching today. |  
          |  | chicks: | 1x ringed and measured. |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  B|1 1CY, May 14 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
  
  
  
  
  
    | date | darvic | metal | location / nest# | species | sexe | age | wing | mass |  
    | 14-05-2024 | g-B|1 | .5631179 | nest 17 | PONT |  | 1CY |  | 188 |  
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