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 B.3 1CY-4CY, May 2021 - July 2024, the Netherlands, Dorset, UK & Asturias, Spain. Picture: Gilberto Sánchez Jardón, Martin Casemore, Leon Kelder, Thijs Horst & Mars Muusse.

Red tibia ring r[B.3] and metal NLA Arnhem 5.556.772, ringed as pullus Larus cachinnans on May 28 2021 at nest H01 in colony De Kreupel, the Netherlands (NL 5247.00 N 513.00 E) - ringer Leon Kelder.
ID is certain: both parents are Caspian Gull cachinnans.

Recoveries:
16-08-2021 Onderdijk (Vooroever), Noord-Holland, NL 5.244,00 N 508,00 E colourring read Leon Kelder
30-09-2021 Portland Bill (Bird Obervatory), Dorset, ENGELAND 5.031,00 N 226,00 W colourring read Martin Casemore
06-10-2021 Portland Bill (Bird Obervatory), Dorset, ENGELAND 5.031,00 N 226,00 W colourring read Martin Casemore
05-11-2021 Tapia de Casariego (Strand), Asturias, SPANJE 4.333,00 N 658,00 W colourring read Gilberto Sánchez Jardón
24-02-2023 Bunschoten-Spakenburg (Visverwerker), Utrecht, NL 5.215,00 N 523,00 E colourring read Hans van Muiswinkel
04-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
08-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
09-07-2023 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
10-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
05-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
06-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
07-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
12-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 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
30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst

Data for nest H01-2021:

Date: details:          
28-5-2021 2 unringed adult Caspian Gull cachinnans at soil stockpile.        
  3 pulli in nest. metal: tibia: mass (gr): head + bill: tarsus:
https://waarneming.nl/observation/215268851/ NLA 5.556.772 r-B.3 180 64.1 37.3
  NLA 5.556.773 r-B.4 133 58.7 37.5
NLA 5.556.774 r-B.5 270 70.8 53.5
         
11-6-2021 1 pullus near nest. metal: tibia: mass (gr): head + bill: wing:
  https://waarneming.nl/observation/216987621/ NLA 5.556.774 r-B.5 805 104.4 190.5

below: Caspian Gull cachinnans B.3 4CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans B.3 4CY, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans B.3 4CY, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans B.3 4CY, March 04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans B.3 1CY, November 05 2021, Tapia de Casariego, Asturias, Spain (4.333,00 N 658,00 W). Picture: Gilberto Sánchez Jardón.

below: Caspian Gull cachinnans B.3 1CY, October 06 2021, Portland Bill - Dorset, UK (5.031,00 N 226,00 W). Picture: Martin Casemore.

below: Caspian Gull cachinnans B.3 1CY, May 28 2021, De Kreupel - H, the Netherlands. Picture: Leon Kelder.