Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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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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Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |
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 |
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2024 |
# eggs |
A-egg |
hatch |
# ringed chicks |
# all chicks |
# fledged chicks |
comments |
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3 |
10-4-2024 |
6-5-2024 |
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dam: |
dam 1 west |
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location: |
Is nest 63-2021/2023. The west nest in the complex. |
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parents? |
y-P:AM0 is new breeder. |
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ring pulli: |
11-May |
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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 |
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OBSERVATIONS: |
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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. |
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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. |
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food: |
Perch vomit when adult trapped. |
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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.
.JPG)

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 |






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