Larus cachinnans in the Netherlands

(last update: August 16, 2020)
Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20

Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21

 

Caspian Gull cachinnans F8 1CY-5CY, May 2020 - March 2024, colony De Kreupel, the Netherlands. Picture: Leon Kelder, Thijs Horst & Mars Muusse.

Tibia ring P-F8 and metal NLA5.545.428, ringed as pullus Larus cachinnans on May 21 2020 in nest K04-2020 at De Kreupel, Holland (5247.00 N 513.00 E).
Sibling of p[F7].
Ringer is Leon Kelder.

Recoveries:
12-06-2020 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
02-05-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
06-05-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
13-05-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
24-05-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
19-05-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
20-05-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
21-05-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
04-03-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse

date: egg no: width (mm): length (mm): volume (cm3):      comments:
24-4-2020 A 50,7 71,8 131,60    
24-4-2020 B 50,8 70,8 128,21     Attempt to trap parents at nest. Unsuccessful. 3 warm eggs.
24-4-2020 C 50,2 73,9 138,04    
             
8-5-2020 A, B, C           3 warm eggs.
      WING: HEAD + BILL: BILL: WEIGHT:
21-5-2020 pullus NLA 5.545.427 & p[F7] -- 68.5 25.3 232 2 chicks at the nest.
21-5-2020 pullus NLA 5.545.428 & p[F8] -- 72.4 28.6 282  
             
12-6-2020 pullus NLA 5.545.427 & p[F7] 269.5 118.5 46.2 1142 2 chicks at the nest.
12-6-2020 pullus NLA 5.545.428 & p[F8] 276.0 120.9 48.4 1182  

below: Caspian Gull cachinnans F8 5CY, March 04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F8 3CY, May 13 2022, De Kreupel, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F8 1CY, June 12 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F8 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.