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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Herring Gull argenteus B / K9 adult, 2025, IJmuiden, the Netherlands.

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

Tibia B/R-K9 and metal NLA 6.254.622, ringed as adult male Larus argentatus on July 29 2025 at IJmuiden brach Noordpier, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
The combination of these rings was used this season, in colony Lelystad for pullus. This pullus was found dead in the colony, rings now re-used.

Recoveries:
12-08-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Aad Koot
30-08-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read T. Horst & M. Muusse
31-08-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Aad Koot
05-09-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Yorick Smakman
13-09-2025 IJmuiden (Haven), Noord-Holland, NL 5.228,00 N 435,00 E colourring read Robert van der Meer
18-09-2025 IJmuiden (Kennemerstrand), Noord-Holland, NL 5.226,55 N 433,03 E colourring read Jan Zorgdrager
19-09-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Fred Cottaar
20-09-2025 IJmuiden (Kennemerstrand), Noord-Holland, NL 5.226,55 N 433,03 E colourring read Herman Wisselink
20-09-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Aad Koot
22-09-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Fred Cottaar
23-09-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read T. Horst & M. Muusse
27-09-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read Aad Koot
28-09-2025 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.227,34 N 433,03 E colourring read T. Horst, M. Muusse & F. Cottaar
02-10-2025 IJmuiden (Kennemerstrand), Noord-Holland, NL 5.226,55 N 433,03 E colourring read Jan Zorgdrager