| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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 | Caspian Gull cachinnans  A|8 1CY-2CY, May 2024 - January 2025, France, England &  the Netherlands.  Picture: Yves Blat, Bob Blamey, 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-A|8 and metal NLA 5.631.241, ringed as pullus Larus cachinnans on May 07 2024 in nest 163-2024 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
 04-10-2024 Stoford (Akker), Wiltshire, ENGELAND 5.107,00 N 152,00 W colourring read Bob Blamey
 17-01-2025 Gueltas (Vuilstort), Morbihan, FRANKRIJK 4.805,00 N 248,00 W colourring read Philippe J. Dubois
 27-01-2025 Gueltas (Vuilstort), Morbihan, FRANKRIJK 4.805,00 N 248,00 W colourring read Yves Blat
 31-01-2025 Gueltas (Vuilstort), Morbihan, FRANKRIJK 4.805,00 N 248,00 W colourring read Philippe J. Dubois
 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 |  | 69,2 | 49,1 | 84,00 | 68,9 | 49,4 | 84,66 | 66,5 | 48,3 | 78,11 | 246,77 |  
          | 163-2024 | # 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: | Blocks dam 1 - west    section, under (north of) nest 53, near (east of) Elderberry near waterfront. |  
          | 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|8 | .5631241 | 163 | PONT |  | 1CY |  | 121 |  |  |  |  |  |  
          | 07-05-2024 | g-A|9 | .5631242 | 163 | PONT |  | 1CY |  | 75 |  |  |  |  |  |  
          | 07-05-2024 | g-A|+ | .5631243 | 163 | PONT |  | 1CY |  | 116 |  |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 12-04-2024 | eggs: | 3 eggs, measured. Small eggs. |  
          | 21-04-2024 | eggs: | 3 eggs, not measured. |  
          |  | adult: | Caspian Gull incubating. |  
          | 02-05-2024 | eggs: | 3 eggs. |  
          |  | adult: | female Caspian Gull. Male much black on P10 and P8, broad band on P5, with dark iris, red orbital and gape. |  
          | 07-05-2024 | chicks: | 3x ringed. |  
          | 18-06-2024 | chicks: | 3x present: g-A|8, gA|9 & g-A|+. |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  A|8 2CY.
 below: Caspian Gull cachinnans  A|8 2CY, January 27 2025, Gueltas - Morbihan, France. Picture: Yves Blat.
 
 below: Caspian Gull cachinnans  A|8 1CY, October 04 2024, Stoford -  Wiltshire, England. Picture: Bob Blamey.
 below: Caspian Gull cachinnans  A|8 1CY, June 18 2024, Lelystad colony, the Netherlands.  Picture: Mars Muusse & Thijs Horst.      
 below: Caspian Gull cachinnans  A|8 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|8 | .5631241 | 163 | PONT |  | 1CY |  | 121 |  
        | 7-5-2024 | g-A|9 | .5631242 | 163 | PONT |  | 1CY |  | 75 |  
        | 7-5-2024 | g-A|+ | .5631243 | 163 | PONT |  | 1CY |  | 116 |  
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