Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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Nests at Lelystad 2023: |
Caspian Gull cachinnans F.7 adult, May 2023 - April 2024, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Red tibia ring r[F.7] and metal NLA 6.214.901, ringed as breeding female Larus cachinnans at nest 60 on May 03 2023 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs.
ID certain for nest 60, both parents are Caspian Gull cachinnans. Female parent is ringed r-F7 in 2023.
Recoveries:
03-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
08-07-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
31-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
08-04-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
egg sizes & volume 2023 |
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SPECIES |
NEST |
A_length |
A_width |
A_volume |
B_length |
B_width |
B_volume |
C_length |
C_width |
C_volume |
TOTAL NEST: |
known parents? |
cach x cach |
60-2023 |
68,2 |
51 |
89,31 |
69,9 |
51 |
91,54 |
66,2 |
50,2 |
84,00 |
264,85 |
same as 2022 |
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ring pulli: 11-mei |
laying A egg: 6-apr |
hatch A egg: 4-mei |
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catch: |
date: |
metal: |
darvic: |
mass: |
wing: |
head+bill: |
bill: |
gonys: |
greytone: |
tarsus kor: |
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adult |
03-5-2023 |
NLA 6214901 |
R-F.7 |
810? |
447 |
125,6 |
57,5 |
18 |
6 |
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female cach |
pullus |
11-5-2023 |
NLA 5556469 |
R-8.= |
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pullus |
11-5-2023 |
NLA 5556470 |
R-8.T |
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pullus |
11-5-2023 |
NLA 5556471 |
R-8.C |
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pullus |
27-5-2023 |
NLA 5556469 |
R-8.= |
872 |
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109,3 |
45,8 |
14 |
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72,8 |
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60-2023 |
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dam: |
dam 1 west |
location: |
Is nest 60-2021/22. From cluster 60-62-63. |
breeders: |
cach x cach |
OBSERVATIONS: |
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09-04-2023 |
nest: |
2 eggs measured. No watertest, ring chicks in 1st session. |
22-04-2023 |
nest: |
3 eggs measured. |
03-05-2023 |
adult: |
Female partner ringed R-F.7. |
11-05-2023 |
pulli: |
3 chicks ringed. |
13-05-2023 |
adult: |
both parents are cach. |
18-05-2023 |
pulli: |
3 chicks present. |
27-05-2023 |
pulli: |
1x control chick. |
18-06-2023 |
adult: |
R-F7 guarding juveniles. |
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pulli: |
R-8= & R-8C present at water. At least 2x fledged. |
25-06-2023 |
pulli: |
R-8=, R-8C and R-F7 (mother) present. |
below: Caspian Gull cachinnans F.6 adult, April 27 2024, colony Lelystad, 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 |
r-F7 |
.6214901 |
nest r-F7 (69) |
PONT |
F |
>4CY |
439 |
933 |
125,0 |
58,0 |
68,0 |
21,4 |
6 |
below: Caspian Gull cachinnans F.7 adult, March 31 2024, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Below is the partner of n-F7, a male Caspian Gull.
below: Caspian Gull cachinnans F.7 adult, March 26 2024, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans F.7 adult, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans F.7 adult, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans F.7 adult, May 03 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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