Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Herring Gull argenteus B / JT 1CY, 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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Tibia B/R-JT and metal NLA 6.254.568, ringed as pullus Larus argentatus on May 31 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Recoveries:
13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
29-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
01-09-2025 Bredene (Strand), West-Vlaanderen, BELGIE 5.115,00 N 257,00 E colourring read Geert Jonckheere
29-10-2025 Vorst (Vuiloverslag), Brussel, BELGIE 5.048,58 N 418,30 E colourring read Michel Janssens
07-11-2025 Ter Heijde (Zandmotor), Zuid-Holland, NL 5.203,00 N 411,00 E colourring read Astrid de Kleyn
Data for nest 024-Heineken.
| 2025 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST:
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# eggs | |
| 024 Heineken | teus | teus | 71 | 49,7 | 68,1 | 48,3 | 67 | 46,2 | 3 | |||||
| dam: | dam 1 blocks
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| location: | blocks west part, Heineken crate, 4 mtr E above Vliertje.
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| parents: | new nest in route, but unringed Herrings have been breeding in this area for years. | |||||||||||||
| ring pulli: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | |
| 31-05-2025 | b/r-JS | 6254567 | 024 | ZM | pullus | 738 | ringed pullus | |||||||
| 31-05-2025 | b/r-JT | 6254568 | 024 | ZM | pullus | 728 | ringed pullus | |||||||
| 31-05-2025 | b/r-JU | 6254569 | 024 | ZM | pullus | 711 | ringed pullus | |||||||
| 09-06-2025 | B/R-JS | 6254567
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024 | ZM | pullus | 1039 | CONTROL | |||||||
| 09-06-2025 | B/R-JT | 6254568
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024 | ZM | pullus | 942 | CONTROL | |||||||
| 09-06-2025 | B/R-JU | 6254569
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024 | ZM | pullus | 800 | CONTROL | |||||||
| 14-06-2025 | B/R-JS | 6254567 | 024 | ZM | pullus | 1083 | CONTROL | |||||||
| 14-06-2025 | B/R-JU | 6254569 | 024 | ZM | pullus | 683 | CONTROL | |||||||
OBSERVATIONS:
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| 23-04-2025 | eggs | 3 eggs, measured.
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| 28-04-2025 | nest | adult HG breeding
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| 01-05-2025 | adult | Herring incubating.
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| 31-05-2025 | chicks | 3x chicks ringed
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| food | 1x rice, 1x meatball
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| 09-06-2025 | chicks | all chicks found and measured
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| 14-06-2025 | chicks | 2 chicks found and measured
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below: Herring Gull argenteus B / JT 1CY, July 09 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Herring Gull argenteus B / JT 1CY, June 30 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Herring Gull argenteus B / JT 1CY, June 29 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Herring Gull argenteus B / JT 1CY, June 09 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |
| 31-05-2025 | B/R-JT | .6254568 | 24/heineken | ZM | pullus | 728 | Ringed pullus | ||||||
| 09-06-2025 | B/R-JT | .6254568 | ZM | pullus | 942 |
below: Herring Gull argenteus B / JT 1CY, May 31 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
