Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Herring Gull argenteus (hybrid?) K|8 1CY, July-August 2024, 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 G-K|8 and metal NLA 5.629.371, ringed as pullus Larus argentatus hybrid(?) on May 24 2024 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Recoveries:
22-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
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
05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse

Nest data 2024:

Date trapped: Metal code ... Tibia: Colour: Species: Age: Status Clutch size: Location: Fledged: Nest code:
24-5-2024 ...5629370 1 K|7 Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland Q. ? Q24
24-5-2024 ...5629371 1 K|8 Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland Q. YES Q24
24-5-2024 ...5629372 1 K|9 Green 5927 1 - 3 IJsselmeer, Enkhuizen, De Kreupel, eiland Q. ? Q24

below: Herring Gull argenteus (hybrid?) K|8 1CY, August 05 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.

Maybe even more a Herring Gull hybrid than a Caspian Gull hybrid.

below: Herring Gull argenteus (hybrid?) K|8 1CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus (hybrid?) K|8 1CY, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.