| 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  M|A 1CY, May  31 2024, Lelystad colony, the Netherlands.  Picture:  Thijs Horst & Merijn Loeve.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia ring G-M|A and metal NLA 5.631.135, ringed as pullus Larus cachinnans on May 31 2024 in nest 055-2024 at Lelystad, the Netherlands. Ringed by Merijn Loeve (Roland-Jan Buijs ringing team). Recoveries:24-06-2024 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: |  
          |  | cach | cach | 71 | 51 | 92,98 | 70,9 | 51,1 | 93,22 | 69,7 | 51,5 | 93,08 | 279,28 |  
          | 055-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 10-4-2024 | 8-5-2024 |  |  |  |  |  
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          | dam: | dam 2 east |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | next to large boulder    which is lookout post, on top of dam, close to yXCHP. |  
          | parents? | same as 2022, 2023 |  |  |  |  |  |  |  
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          | ring pulli: | 12-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
          | 14-05-2024 | g-B|U | .5631172 | nest 55 | PONT |  | 1CY |  | 235 |  |  |  |  |  |  
          | 31-05-2024 | g-M|A | .5631135 | nest 55 | PONT |  | 1CY |  |  |  |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 12-04-2024 | eggs: | 2 eggs, measured. |  
          |  | adults: | Caspian Gulls present. |  
          | 21-04-2024 | eggs: | 3 eggs, measured. |  
          | 14-05-2024 | chicks: | 1x ringed and measured. |  
          | 31-05-2024 | chicks: | 1x ringed. |  
          | 04-06-2024 | adult: | 2x parents  present at blocks. |  
          | 18-06-2024 | chicks: | g-B|U at water. |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  M|A 1CY, May  31 2024, Lelystad colony, the Netherlands.  Picture:  Thijs Horst & Merijn Loeve.
  
  
  
    | date | darvic | metal | location / nest# | species | sexe | age | wing | mass |  
    | 14-05-2024 | g-B|U | .5631172 | nest 55 | PONT |  | 1CY |  | 235 |  
    | 31-05-2024 | g-M|A | .5631135 | nest 55 | PONT |  | 1CY |  |  |  
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