| 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  A|2 1CY, May  2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst, Merijn Loeve & Mars Muusse.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia ring G-A|2 and metal NLA 5.631.236, ringed as pullus Larus cachinnans on May 07 2024 in nest 34-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).       Recoveries:17-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 31-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E found dead Thijs Horst
 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: |  
          |  | cach |  | 71,3 | 50,2 | 90,47 | 71,1 | 50,2 | 90,21 | 66,4 | 49,5 | 81,92 | 262,60 |  
          | 034-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 8-4-2024 | 3-5-2024 |  |  |  |  |  
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          | dam: | dam 1 blocks |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | Nest "rode    flap": at blocks, just west of open tarmac, was 'nest with the branch    2022', now with red flag and black root-cloth. |  
          | parents? | same as 2023? |  |  |  |  |  |  |  
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          | ring pulli: | 09-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
          | 07-05-2024 | g-A|0 | .5631235 | 34 | PONT |  | 1CY |  | 125 |  |  |  |  |  |  
          | 07-05-2024 | g-A|2 | .5631236 | 34 | PONT |  | 1CY |  | 84 |  |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 12-04-2024 | eggs: | 3 eggs, measured. |  
          | 21-04-2024 | eggs: | 3 eggs, not measured. |  
          |  | adult: | Caspian Gull incubating. |  
          | 07-05-2024 | eggs: | 1x cold, probably infertile |  
          |  | chicks: | 2x ringed. |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  A|2 1CY, May 31 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Merijn Loeve.
 below: Caspian Gull cachinnans  A|2 1CY, May 07 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
  
  
  
  
    | date | darvic | metal | location / nest# | species | sexe | age | wing | mass |  
    | 7-5-2024 | g-A|0 | .5631235 | 34 | PONT |  | 1CY |  | 125 |  
    | 7-5-2024 | g-A|2 | .5631236 | 34 | PONT |  | 1CY |  | 84 |  
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