Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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Caspian Gull cachinnans B.= adult, April 2022 - September 2024, De Kreupel & Lelystad,
the Netherlands. Pictures: Thijs Horst & Mars Muusse.
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Tibia ring R-B= and metal ring NLA Arnhem 6.214.032, ringed as adult male Larus cachinnans on April 29 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) - ringer Roland-Jan Buijs.
Recoveries:
23-05-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
17-06-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder & Maarten Hotting
01-07-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Jeroen van Assema
17-07-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
03-03-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
04-03-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
17-05-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst
07-09-2024 Andijk (Jachthaven), Noord-Holland, NL 5.244,00 N 510,00 E colourring read J. van Assema & T. Horst
08-04-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
Data for this nest
Bird breeding at De Kreupel, nest C14-2022 on island C. Parent is r-B=.
Date: |
Egg code |
Height (mm) |
Width (mm) |
Comments |
Metal NLA |
Colour ring |
Wing (mm) |
Head+ bill (mm) |
Bill |
Mass (gr) |
Tarsus |
Gonys |
Swab no |
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14-4-2022 |
A-egg |
70.0 |
51.8 |
2 eggs |
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B-egg |
71.1 |
51.2 |
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29-4-2022 |
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3 eggs |
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Adult trapped, Caspian Gull |
6214032 |
Red B= |
463,5 |
136.2 |
63.9 |
1172 |
81.8 |
19.4 |
1063 |
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13-5-2022 |
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3 pulli in nest |
5620237 |
Red 0.W |
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52.8 |
|
87 |
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5620238 |
Red 0.X |
|
59.0 |
|
138 |
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5620239 |
Red 0.Y |
|
57.8 |
|
124 |
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below: Caspian Gull cachinnans B.= adult, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans B.= adult, September 07 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans B.= adult, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.



below: Caspian Gull cachinnans B.= adult, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans B.= adult, March 03-04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans B.= adult, July 17 2022, Lelystad,
the Netherlands. Pictures: Thijs Horst & Mars Muusse.


'
below: Caspian Gull cachinnans B.= adult, July 01 2022, De Kreupel, the Netherlands. Picture: Jeroen van Assema.

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