Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Herring Gull argenteus B / JA adult, 2025, Lelystad & Almere, 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 B/R-JA and metal NLA 6.254.551, ringed as breeding adult Larus argentatus on April 23 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringingteam (Mars Muusse / Thijs Horst / Fred Cottaar).

Recoveries:
25-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
28-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Horst, Muusse(s) & Cottaar
08-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
31-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
04-06-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
10-06-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
08-07-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. MuusseVisits and data 2025.

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: # eggs
g-A|F & b/r-JA (265) cach type teus 68,7 49,6 65 48,5 64,5 58,8 3
dam:
dam 2 east at soos
location:
is g-A|F-2024: 20 meters east of XCHP. Next to Blackberries, (dam 2 soos)
parents: same as 2024: male g-A|F cach type and female Herring br-JA.
ring pulli:
ringed: darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
23-04-2025 b/r-JA 6254551 Nest g-A|F ZM F >4CY 424 980 123,6 50,9 66,5 19,2 6  
25-05-2025 g-T|1 5641855 g-A|F & b/r-JA HYBRID pullus 237 72,5
31-05-2025 g-R|2 5641927 g-A|F & b/r-JA HYBRID pullus 343
OBSERVATIONS:
25-03-2025 adult g-A|F & partner at location 2024
01-04 adult
g-A|F & partner at location 2024
04-04 adult
g-A|F & partner at location 2024
21-04 eggs
3x eggs measured
23-04 adult
trapped female HG incubating 3 eggs
28-04 nest b/r-JA present
08-05 adult
both partners present
25-05 chick
1 chick ringed, where are other two?
31-05 chicks
1 chick ringed, g-R|2

below: Herring Gull argenteus B / JA adult, July 08 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus B / JA adult, June 10 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus B / JA adult, June 04 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus B / JA adult, April 23 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

date darvic metal nest species sexe age wing mass head+ bill bill tarsus gonys barcode greyscale comments
23-4-2025 B/R-JA .6254551 g-A|F ZM F >4CY 424 980 123,6 50,9 66,5 19,2 25B00539 / ACA25-9173 6 Trapped by ringer. Breeder on 3 eggs.