Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Caspian Gull cachinnans R|A 1CY, 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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Tibia G-R|A and metal NLA 5.641.865, ringed as pullus Larus cachinnans on May 30 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Mother: adult Caspian Gull r-A|3.
Father: adult Caspian Gull.
Nest: g-A|3 (056). In 2025 g-R|A is only fledged chick. Fledging rate for this nest 2025 = 1,0.
Recoveries:
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
Visits 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 |
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# eggs |
| g-A|3 (056) |
cach |
cach |
72,1 |
49 |
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71,8 |
48,1 |
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71,4 |
50,1 |
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3 |
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| location: |
new location: 3 meters south of 17B, at path to nest 17B, 20 m from location 2024
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| ringed: |
darvic |
metal |
location / nest# |
species |
sexe |
age |
wing |
mass |
head+ bill |
bill |
tarsus |
gonys |
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| 30-05-2025 |
g-R|A |
5641865 |
g-A|3 |
PONT |
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pullus |
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482 |
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| 14-06-2025 |
g-R|A |
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dam 2 WATER |
PONT |
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pullus |
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700 |
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| 16-03-2025 |
nest |
partner of g-A|3 present, nest black table, dam 2, east of 17B
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| 25-03 |
nest |
g-A|3 present around nest 17B
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| 21-04 |
eggs |
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nest |
3 meters south of 17B, at path
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| 08-05 |
adult |
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| 30-05 |
chicks |
1 chick ringed, 1 found dead between blocks
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| 14-06 |
chicks |
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below: Caspian Gull cachinnans R|A 1CY, June 29 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.

.JPG)
.JPG)
below: Caspian Gull cachinnans R|A 1CY, May 30 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date |
darvic |
metal |
nest |
species |
sexe |
age |
wing |
mass |
head+ bill |
bill |
gonys |
barcode |
comments |
| 30-05-2025 |
G-R|A |
.5641865 |
g-A|3 |
PONT |
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pullus |
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482 |
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Ringed pullus |
| 14-06-2025 |
G-R|A |
.5641865 |
dam 2 WATER |
PONT |
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pullus |
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700 |
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