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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Breeding biology
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Nonbreeding season
Breeding species
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Caspian Gull cachinnans 5|X 2CY, 2025, the Netherlands. Picture: Jan Sleurink & Thijs Horst.

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

Tibia G-5|X and metal NLA 5.629.145, ringed as pullus Larus cachinnans on May 09 2024 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Recoveries:
29-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
08-07-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
22-08-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
25-08-2025 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Jan Sleurink

Nest data 2024:

Date trapped: Metal code ... Tibia: Colour: Species: Age: Status Clutch size: Location: Fledged: Nest code:
9-5-2024 ...5629145 1 5|X Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland M. YES M7
9-5-2024 ...5629146 1 5|Y Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland M. YES M7
9-5-2024 ...5629147 1 5|Z Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland M. YES M7

below: Caspian Gull cachinnans 5|X 2CY, August 25 2025, Almere, the Netherlands. Picture: Jan Sleurink.

below: Caspian Gull cachinnans 5|X 2CY, July 08 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.