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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Caspian Gull cachinnans 0.3 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: 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 R-03 and metal NLA 5.620.244, ringed as pullus Larus cachinnans on May 13 2022 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Recoveries:
03-04-2023 Onderdijk (Vooroever), Noord-Holland, NL 5.244,00 N 508,00 E colourring read Leon Kelder
01-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
30-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
19-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
08-04-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse

Data for this nest

Bird from De Kreupel, nest D2 on island D.

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Bill Mass (gr)
14-4-2022 A-egg 67.5 49.6 2 eggs
B-egg 68.8 49.1
29-4-2022 2 eggs
13-5-2022 2 pulli in nest 5620243 Red 0.2 48 64.5 206
5620244 Red 0.3 64.3 182

below: Caspian Gull cachinnans 0.3 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.