Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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a) Herring Gull argenteus 5|4 3CY, January 12 2025, IJmuiden, the Netherlands. Picture: Thijs Horst.
Tibia G-5|4 and metal NLA 5.629.715, ringed as pullus Larus argentatus on June 30 2023 at De Kreupel, Holland (5247.00 N 513.00 E).
Ringer Leon Kelder.
Recoveries:
09-01-2024 IJmuiden (Forteiland), Noord-Holland, NL 5.228,00 N 434,00 E colourring read Fred Cottaar
24-02-2024 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.228,00 N 434,00 E colourring read Klaas Zwaan
08-04-2024 Hoornderslag (Strand), Texel, NL 5.301,00 N 442,00 E colourring read Bob Loos
05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
27-04-2024 Katwijk aan Zee (Buitenwatering), Zuid-Holland, NL 5.212,00 N 423,00 E colourring read Annelies Marijnis
12-01-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read T. Horst & M. Muusse
below: Herring Gull argenteus 5|4 3CY, January 12 2025, IJmuiden, the Netherlands. Picture: Thijs Horst.

b) Herring Gull argenteus 5|4 1CY, August 2024, colony De Kreupel, the Netherlands.
Tibia G-5|4 and metal NLA 5.632.497, ringed as pullus Larus argentatus on July 05 2024 at Den Oever (Leidam), Holland (5256.00 N 502.00 E).
Ringer Leon Kelder. |