Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Caspian Gull cachinnans D|J 1CY, July 2025, colony De Kreupel, the Netherlands.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia G-D|J and metal NLA 5.639.016, ringed as pullus Larus cachinnans on May 02 2025 at IJsselmeer (De Kreupel), Noord-Holland, by ringer Leon Kelder.

Recoveries:
13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
18-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse

Data for nest H9 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5639015 g-D|B 02-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland L. L1 Leon Kelder 50,8 78,0
NLA 5639016 g-D|J 02-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland L. L1 Leon Kelder 48,7 68,0
NLA 5639017 g-E|A 02-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland L. L1 Leon Kelder 51,2 70,0

Ring was used before, in 2024. Now re-used.

below: Caspian Gull cachinnans D|J 1CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.