Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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Caspian Gull cachinnans 0.1 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring R-01 and metal NLA 5.620.242, ringed as pullus Larus cachinnans on May 13 2022 at De Kreupel, Holland, NL 5247.00 513.00 E, by ringer Leon Kelder.
Recoveries:
17-08-2022 Renesse (Verklikkerplaat), Zeeland, NL 5.144,00 N 343,00 E colourring read Maarten Sluijter
17-04-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
08-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
12-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
17-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
20-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
02-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
17-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
12-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
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 in 2022
Bird from De Kreupel, nest D9-2022 on island D.
Date: |
Egg code |
Height (mm) |
Width (mm) |
Comments |
Metal NLA |
Colour ring |
Wing (mm) |
Head+ bill (mm) |
Bill |
Mass (gr) |
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13-5-2022 |
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3 chicks in nest |
5620240 |
Red 0.Z |
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48.4 |
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69 |
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5620241 |
Red 0.0 |
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55.9 |
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98 |
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5620242 |
Red 0.1 |
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54.2 |
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90 |
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14-5 - 17-5-2022 cameratrap: |
female adult Caspian |
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male 4CY Caspian |
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below: Caspian Gull cachinnans 0.1 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.



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