| 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  C|6 1CY, May-September 2024,  the Netherlands & England.  Picture:  Gavin Baptie, Toby Carter, Mark Hawkes, Thijs Horst, Mars Muusse & Albert de Jong.
        
          | You can participate in this project too! 
            Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |  Tibia ring G-C|6 and metal NLA 5.631.183, ringed as pullus Larus cachinnans on May 31 2024 in nest n-F|T_g-A|A_2024 at Lelystad, the Netherlands. Ringed by Merijn Loeve (Roland-Jan Buijs ringing team).       Recoveries:04-06-2024 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
 28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
 04-08-2024 Grafham Water, Cambridgeshire, ENGELAND 5.217,00 N 17,00 W colourring read Mark Hawkes
 07-08-2024 Grafham Water, Cambridgeshire, ENGELAND 5.217,00 N 17,00 W colourring read Mark Hawkes & Toby Carter
 02-09-2024 Grafham Water, Cambridgeshire, ENGELAND 5.217,00 N 17,00 W colourring read Gavin Baptie
 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: |  
          | n-F|T & g-A|A | cach | cach | 69,3 | 51 | 90,76 | 69,3 | 48,9 | 83,44 | 68,5 | 50 | 86,22 | 260,42 |  
          | 2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments |  |  |  |  |  |  
          |  | 3 | 15-4-2024 | 13-5-2024 |  |  |  |  |  
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          | dam: | dam 1 east |  |  |  |  |  |  |  |  |  |  |  |  
          | location: | Location  was 25-2022/2023, near    PNED, on N side dam, with furious birds. Sprayed '#'. |  
          | parents? | 2023 prospecting n-F|T. |  |  |  |  |  |  |  
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          | ringed birds: | 18-May |  |  |  |  |  |  |  |  |  |  |  |  |  
          | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
          | 23-04-2024 | g-A|A | .5625288 | nest n-F|T | PONT | F | >4CY | 441 |  | 124,5 | 54,7 | 70,0 | 18,9 | 6 |  
          | 14-05-2024 |  | .5631182 | n-F|T / g-A|A | PONT |  | 1CY |  | 74 |  |  |  |  |  |  
          | 14-05-2024 |  | .5631183 | n-F|T / g-A|A | PONT |  | 1CY |  | 62 |  |  |  |  |  |  
          | 31-05-2024 | dead | .5631182 | n-F|T / g-A|A | PONT |  |  |  |  |  |  |  |  |  |  
          | 31-05-2024 | g-C|6 | .5631183 | n-F|T / g-A|A | PONT |  | 1CY |  |  |  |  |  |  |  |  
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          | OBSERVATIONS: |  |  |  |  |  |  |  |  |  |  |  |  |  
          | 08-03-2024 | adult: | n-F|T on bread. |  
          | 21-04-2024 | eggs: | 3 eggs, measured. |  
          |  | adults: | 5CY & adult. |  
          | 23-04-2024 | adult | partner trapped at nest, now g-A|A. |  
          | 14-05-2024 | chicks: | 2x ringed, only metal. Chicks 1 day old. Prognose was exact. |  
          | 31-05-2024 | chicks: | 1x ringed, darvic added. |  
          |  |  | 1x dead chick. NLA 5631182 died <3 days ago. |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  below: Caspian Gull cachinnans  C|6 1CY, September 02 2024, Grafham Water - Cambridgeshire, England. Picture:  Gavin Baptie.
 
 below: Caspian Gull cachinnans  C|6 1CY, August 07 2024, Grafham Water - Cambridgeshire, England. Picture:  Toby Carter.
 below: Caspian Gull cachinnans  C|6 1CY, August 04 2024, Grafham Water - Cambridgeshire, England. Picture:  Mark Hawkes.
 below: Caspian Gull cachinnans  C|6 1CY, July 28 2024, colony De Kreupel, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
 
 
 below: Caspian Gull cachinnans  C|6 1CY, July 15 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst.
 below: Caspian Gull cachinnans  C|6 1CY, July 09 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst.
 below: Caspian Gull cachinnans  C|6 1CY, June 04 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst, Mars Muusse & Albert de Jong.
 below: Caspian Gull cachinnans  C|6 1CY, May 31 2024, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Merijn Loeve.
      
      
      
        | date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |  
        | 23-04-2024 | g-A|A | .5625288 | nest n-F|T dam 1 | PONT | F | >4CY | 441 |  | 124,5 | 54,7 | 70,0 | 18,9 | 6 |  
        | 14-05-2024 |  | .5631182 | nest n-F|T / g-A|A | PONT |  | 1CY |  | 74 |  |  |  |  |  |  
        | 14-05-2024 |  | .5631183 | nest n-F|T / g-A|A | PONT |  | 1CY |  | 62 |  |  |  |  |  |  
        | 31-05-2024 | g-C|6 | .5631183 | n-F|T / g-A|A | PONT |  | 1CY |  |  |  |  |  |  |  |  
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