| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans M|J 1CY, June  2024 - January 2025, Lelystad & Almere, the Netherlands.  Picture:  Thijs Horst, Albert de Jong & 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-M|J and metal NLA 5.631.147, ringed as pullus Larus cachinnans  on June 04 2024 in nest X60J 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
 15-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 18-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read 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: |  
          | X60J 2024 | cach | cach | 69,6 | 50,7 | 90,08 | 71 | 48,1 | 82,71 | 69,7 | 48,6 | 82,89 | 255,68 |  
          |  | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 15-4-2024 | 11-5-2024 |  |  |  |  |  
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          | dam: | dam 2 central |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | On N-side, was nest 253-2023 |  |  |  |  |  |  |  |  
          | parents? | y-X60J is new breeder here. Was at lighthouse dam 2 in 2023. |  |  |  |  |  |  |  
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          | ring pulli: | 16-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
          | 14-05-2024 | g-B|V | .5631173 | nest X60J | PONT |  | 1CY |  | 81 |  |  |  |  |  |  
          | 04-06-2024 | g-M|J | .5631147 | nest X60J | PONT |  | 1CY | 220 | 886 | 110 |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 26-03-2024 | adults: | Nest site 253-2023    (behind 17) has female cach y-X60J & unringed male cach |  
          | 31-03-2024 | adults: | female cach y-X60J &    unringed male cach |  
          | 12-04-2024 | nest: | nest empty. |  
          | 21-04-2024 | eggs: | 3 eggs, measured. |  
          | 23-04-2024 | adults: | female cach y-X60J &    unringed male cach |  
          | 07-05-2024 | nest: | 3 eggs. |  
          | 14-05-2024 | chicks: | 1x ringed and measured. |  
          |  | food: | Round Goby (zwartbekgrondel / Neogobius melanostomus). |  
          | 04-06-2024 | chicks: | 1x ringed. No other chicks around. Two parents guarding this only chick. |  
          | 18-06-2024 | chick: | trapped at water: g-M|J. |  
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          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  M|J 2CY, January 03 2025, Almere - De Vaart, the Netherlands.  Picture: Thijs Horst.
 below: Caspian Gull cachinnans  M|J 1CY, July 15 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst.
 

 below: Caspian Gull cachinnans  M|J 1CY, July 09 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst.  
 
 below: Caspian Gull cachinnans  M|J 1CY, June 18 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 below: Caspian Gull cachinnans   M|J 1CY, June 04 2024, Lelystad colony, the Netherlands.  Picture:  Thijs Horst, Albert de Jong & Mars Muusse. 
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