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 W|A 2CY, February 2026, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

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

Tibia G-W|A and metal Arnhem NLA 5.639.134, ringed as pullus Larus cachinnans on May 09 2025 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E), by ringer Leon Kelder.

Recoveries:
22-05-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
04-02-2026 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
09-02-2026 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Horst, Muusse(s) & Cottaar
13-02-2026 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
19-02-2026 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse

Data for nest M6 - 2025.

Metal ring Colour ring Date Species Age Clutch size Location Nest code Ringer Head+Bill Mass Wing Parents
NLA 5639132 g-W|8 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland M. M6 Leon Kelder 57,3 95,0
NLA 5639132 g-W|8 22-5-2025 Caspian Gull pullus -- the Netherlands, De Kreupel - eiland M. M6 Leon Kelder
NLA 5639132 g-W|8 30-5-2025 Caspian Gull pullus -- the Netherlands, De Kreupel - eiland M. M6 Leon Kelder
NLA 5639133 g-W|9 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland M. M6 Leon Kelder 47,7 59,0
NLA 5639133 g-W|9 22-5-2025 Caspian Gull pullus -- the Netherlands, De Kreupel - eiland M. M6 Leon Kelder
NLA 5639134 g-W|A 09-5-2025 Caspian Gull pullus 3 eggs the Netherlands, De Kreupel - eiland M. M6 Leon Kelder 54,4 92,0
NLA 5639134 g-W|A 22-5-2025 Caspian Gull pullus -- the Netherlands, De Kreupel - eiland M. M6 Leon Kelder

below: Caspian Gull cachinnans W|A 2CY, February 13 2026, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans W|A 2CY, February 09 2026, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.