| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
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   | Herring Gull argenteus 8|C 1CY-2CY, June  2023 - June 2024, Katwijk, Lelystad & Almere, the Netherlands.  Picture: Eric Roeland, Thijs Horst & Mars Muusse.Tibia ring G-8|C and metal NLA 5.625.279, ringed as pullus Larus arentatus on May 27 2023 in nest 147 at Lelystad, the Netherlands. Ringed by Merijn Loeve / Roland-Jan Buijs ringing team. Recoveries:27-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 26-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
 09-08-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 11-08-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 12-08-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 11-10-2023 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.228,00 N 434,00 E colourring read Klaas Zwaan
 29-01-2024 Katwijk aan Zee (Buitenwatering), Zuid-Holland, NL 5.212,00 N 423,00 E colourring read T. Horst & M. Muusse &  Toon Vernooij
 11-02-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 23-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 29-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 30-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 30-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Harry Kuipers
 30-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 05-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Jan Zorgdrager
 12-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read M. Loeve & M. Muusse
 17-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 18-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 27-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 09-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 25-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 31-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 31-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Merijn Loeve
 01-06-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
 13-06-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
 09-08-2024 Zwanenwater (Strand), Noord-Holland, NL 5.248,00 N 440,00 E colourring read Ruud Costers
 
        
        
        
        
        
          | egg sizes & volume 2023 |  |  |  |  |  |  |  |  |  
          | SPECIES | NEST | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | known parents? |  
          | teus x teus | 147-2023 | 72,3 | 51,5 | 96,55 | 71,8 | 51,2 | 94,77 | 73,8 | 52,5 | 102,42 | 293,74 | NEW NEST |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  
          | ring pulli: | laying A egg: | hatch A egg |  |  |  |  |  |  |  |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  
          |  |  |  |  |  |  |  |  |  |  |  |  |  |  
          | catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | bill: | gonys: | greytone: |  |  |  
          | adult | 03-05-2023 | 6.214.909 | r-7.S | nn | 424 | nn | nn | nn | 5 |  | male Herring Gull |  
          | pullus | 27-05-2023 | 5.625.279 | g-8|C | 476 |  |  |  |  |  |  |  |  |  
          | pullus | 25-06-2023 | 5.625.279 | g-8|C | 1091 | 324 | 118,2 |  |  |  |  |  |  |  
        
        
        
          |  |  |  |  
          | 147-2023 | NEW    NEST |  |  
          | dam: | dam 1 west |  |  
          | location: | on tarmac. Code sprayed    in red. |  
          | breeders: | teus x teus |  |  
          | OBSERVATIONS: |  |  |  
          | 22-04-2023 | nest: | 3 eieren gemeten en gedompeld, resp.    puntbodem plat, 20*, 20* |  
          | 03-05-2023 | adult: | Trapped male argenteus at    nest: r-7.S |  
          | 13-05-2023 | adult: | Argenteus breeding |  
          | 27-05-2023 | pullus: | 1x chick ringed and    measured. |  
          | 25-06-2023 | pullus: | 1x chick caught, fomitted    a zander (Sander lucioperca). |  below: Herring Gull argenteus   8|C 2CY,  June 13 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 
 
 
 below: Herring Gull argenteus   8|C 2CY,  May 09 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 below: Herring Gull argenteus   8|C 2CY,  April 18 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
 below: Herring Gull argenteus   8|C 2CY,   March 30 2024, Almere, the Netherlands. Picture: Thijs Horst.
 below: Herring Gull argenteus   8|C 2CY,     March 29 2024, Almere - De Vaart, the Netherlands. Picture: Eric Roeland.
 below: Herring Gull argenteus   8|C 2CY, January 29 2024, Katwijk beach, the Netherlands.  Picture:  Mars Muusse.
 below: Herring Gull argenteus   8|C 1CY, August 09 2023, Almere - De Vaart, the Netherlands.  Picture:  Thijs Horst & Mars Muusse.
 below: Herring Gull argenteus   8|C 1CY, June 25 2023, Lelystad colony, the Netherlands.  Picture: Thijs Horst.
 
 
 
 below: Herring Gull argenteus   8|C 1CY, May 27 2023, Lelystad colony, the Netherlands.  Picture: Thijs Horst & Mars Muusse.
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