Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Herring Gull argenteus B / K5 1CY, August 25 2025, IJmuiden, the Netherlands. Picture: Mars Muusse.
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Tibia B/R-K5 and metal NLA 6.254.590, ringed as 1CY female Larus argentatus on August 25 2025 at IJmuiden-Harbour, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Ring was used in Lelystad, but that bird found dead in colony. Ring re-used today in IJmuiden.
Recoveries:
27-08-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Martijn van Manen
30-08-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read T. Horst & M. Muusse
10-09-2025 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read Jan Zorgdrager
29-09-2025 Kijkduin (Strand), Zuid-Holland, NL 5.203,00 N 413,00 E colourring read Astrid de Kleyn
09-10-2025 Kijkduin (Strand), Zuid-Holland, NL 5.203,00 N 413,00 E colourring read Peter Bierens
15-10-2025 Ter Heijde (Zandmotor), Zuid-Holland, NL 5.203,00 N 411,00 E colourring read Aad Koot
29-10-2025 Ter Heijde (Strand), Zuid-Holland, NL 5.201,00 N 409,00 E colourring read Axel Bloklander
below: Herring Gull argenteus B / K5 1CY, August 25 2025, IJmuiden, the Netherlands. Picture: Mars Muusse.

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