Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Caspian Gull cachinnans 7|L 1CY, May - August 2023, Lelystad & Westkapelle, the Netherlands. Picture: Thijs Horst, Theo & Mars Muusse.
Tibia ring G-7|L and metal NLA 5.556.403, ringed as pullus Larus cachinnans on May 18 2023 in nest 035 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
31-07-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Andy Hale
30-08-2023 Westkapelle (Vroon van Westkapelle), Zeeland, NL 5.132,00 N 326,00 E colourring read Roland-Jan Buijs
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 teus or
cach x cach (327U??) |
141-2023 |
75,1 |
53,3 |
107,42 |
73,8 |
51,5 |
98,55 |
71,9 |
50 |
90,50 |
296,48 |
same male as 2022 |
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ring pulli: May 10th. |
laying A egg: Apr 5th. |
hatch A egg: May 3rd. |
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catch: |
date: |
metal: |
darvic: |
mass: |
wing: |
head+bill: |
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Pullus |
18-5-2023 |
5556403 |
G-7|L |
475 |
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92 |
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Pullus |
18-5-2023 |
5556404 |
G-7|M |
490 |
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90 |
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141-2023 (formerly 035) |
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dam: |
dam 1 east |
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location: |
on block at N-side, east of PNED. Code 141 on block. "the Caspian of nest 035 always fighting the Herring". |
breeders: |
cach x teus or cach x cach (327U??) |
OBSERVATIONS: |
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9-4-2023 |
nest: |
3 eggs measured. No watertest, ring chicks in 1st session. |
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adult: |
female is teus, male is huge aggressive cachinnans |
13-5-2023 |
adult: |
male cach. Female = cach w-327:U? Of is er een nest vlak achter? |
18-5-2023 |
pulli: |
2 chicks ringed, 3rd not found |
27-5-2023 |
pulli: |
dense vegetation, nothing found. |
25-6-2023 |
pulli: |
g-7|L present guarded by w-327:U twice |
below: Caspian Gull cachinnans 7|L 1CY, August 30 2023, Westkapelle, the Netherlands. Picture: Theo Muusse.


below: Caspian Gull cachinnans 2|L 1CY, July 31 2023, Cromer - Norfolk, England. Picture: Andy Hale.
With g-3|N (left).

below: Caspian Gull cachinnans 7|L 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans 7|L 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.





below: Caspian Gull cachinnans 7|L 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans 7|L 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.

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