| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  B|P 1CY, May-July 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & 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-B|P and metal NLA 5.631.168, ringed as pullus Larus cachinnans on May 14 2024 in nest g-A|G (038)-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).       Recoveries:18-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
 09-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read 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: |  
          | g-A|G (038) | cach | cach-type | 70,3 | 53,3 | 100,56 | 68,4 | 51 | 89,58 | 70,6 | 52,8 | 99,10 | 289,23 |  
          | 2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 11-4-2024 | 9-5-2024 |  |  |  |  |  
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          | dam: | dam 2 east of T-split |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | Is 38-2023: 200 mtr E of    T-split, on top of tarmac two large boulders, west one is lookout post. |  
          | parents? | same as 2022, 2023. In 2024 female trapped:g-A|G |  |  |  |  |  |  |  
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          | ring pulli: | 14-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  30-04-2024 | g-A|G | .5625296 | Dam 2 soos nest | PONT | F | >4CY | 424 | 1002 | 125,7 | 53,5 | 68,3 | 19 | 7 | 
    | 14-05-2024 | g-B|N | .5631167 | nest 38 | PONT |  | 1CY |  | 110 |  |  |  |  |  |  
    | 14-05-2024 | g-B|P | .5631168 | nest 38 | PONT |  | 1CY |  | 88 |  |  |  |  |  |  
    | 14-05-2024 | g-B|R | .5631169 | nest 38 | PONT |  | 1CY |  | 99 |  |  |  |  |  |  
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    | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
    | 12-04-2024 | eggs: | 1 egg, measured. |  
    | 21-04-2024 | eggs: | 3 eggs, measured. |  
    | 30-04-2024 | adults: | trapped female Caspian Gull, incubating 3 eggs. Now g-A|G. |  
    | 07-05-2024 | nest: | 3 eggs, cracks. |  
    | 14-05-2024 | chicks: | 3x ringed and measured. |  
    | 04-06-2024 | chicks: | 3x ringed chicks present. |  
    | 18-06-2024 | chicks: | 3x ringed chicks present. |  
    |  | adult: | father guarding chicks. |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  B|P 1CY, July 09 2024, Lelystad colony, the Netherlands.  Picture:   Thijs Horst.Chicks g-B|P & g-B|R. 
 below: Caspian Gull cachinnans  B|P 1CY, June 18 2024, Lelystad colony, the Netherlands.  Picture:  Mars Muusse & Thijs Horst.Father  with g-B|N, g-B|P & g-B|R. 
 
 below: Caspian Gull cachinnans  B|P 1CY, June 04 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst, Mars Muusse & Albert de Jong.
   below: Caspian Gull cachinnans  B|P 1CY, May 14 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
      
      
      
      
        | 14-5-2024 | g-B|N | .5631167 | nest 38 | PONT |  | 1CY |  | 110 |  
        | 14-5-2024 | g-B|P | .5631168 | nest 38 | PONT |  | 1CY |  | 88 |  
        | 14-5-2024 | g-B|R | .5631169 | nest 38 | PONT |  | 1CY |  | 99 |  
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