Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Caspian Gull cachinnans A|E adult, April 2024 - April 2025, the Netherlands. Picture: Neil Kampherbeek, Bert Jonkhans, Thijs Horst & Mars Muusse.

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Tibia ring G-A|E and metal NLA 5.625.294, ringed as breeding adult female Larus cachinnans on April 26 2024 in nest yPAM0-gAE at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Remarks: Partner male Y[P:AM0]

Recoveries:
05-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
21-11-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse
23-12-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
03-01-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse
28-01-2025 Almere (Oostvaardersplassen), Flevoland, NL 5.226,00 N 517,00 E colourring read Colin Aalbers
09-02-2025 Lelystad (Oostvaardersplassen), Flevoland, NL 5.227,00 N 524,00 E colourring read Joost van der Sluijs, Neil Kampherbeek, Rick Geling
13-02-2025 Lelystad (Oostvaardersplassen), Flevoland, NL 5.227,00 N 524,00 E colourring read Bert Jonkhans
16-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
25-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse

Visits and data 2024

NEST code parent 1 parent  2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume TOTAL NEST:
P:AM0 & g-A|E cach cach 73,6 49 88,98 70 50,3 89,17 68,5 48,5 81,13 259,28
2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 10-4-2024 6-5-2024
   
dam: dam 1 west
location: Is nest 63-2021/2023. The west nest in the complex.
parents? y-P:AM0 is new breeder.
   
ring pulli: 11-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
26-4-2024 g-A|E .5625294 nest PAM0 PONT F >4CY 443 1075 126,3 53,0 66,7 18,1 5
                           
OBSERVATIONS:
8-3-2024 adult: y-PAM0.
31-3-2024 adults: both parents present.
12-4-2024 eggs: 1 egg, measured.
21-4-2024 eggs: 3, measured.
nest: cluster again: 60, 69, PAM0, n-F|+, and 2 Herrings to follow soon.
26-4-2024 adult: adult female trapped at nest, now g-A|E.
food: Perch vomit when adult trapped.

below: Caspian Gull cachinnans A|E adult, April 10 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.

Now with ex-partner r-CG from 2024. Under tree at r-CG nest location. Where is r-CG?

below: Caspian Gull cachinnans A|E adult, March 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans A|E adult, March 16 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Back in the colony. Partner 2024 y-P:AM0 not present today.

below: Caspian Gull cachinnans A|E adult, February 13 2025, Lelystad, the Netherlands. Picture: Bert Jonkhans.

below: Caspian Gull cachinnans A|E adult, February 09 2025, Lelystad, the Netherlands. Picture: Neil Kampherbeek.

below: Caspian Gull cachinnans A|E adult, January 03 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans A|E adult, December 23 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans A|E adult, November 21 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans A|E adult, April 26 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
26-4-2024 g-A|E .5625294 nest PAM0 dam 1 PONT F >4CY 443 1075 126,3 53,0 66,7 18,1 5