Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Caspian Gull cachinnans 2.7 4CY, 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia R-27 and metal NLA 5.623.560, ringed as pullus Larus cachinnans on May 20 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E). Ringer: Leon Kelder.
Recoveries:
17-08-2022 Renesse (Verklikkerplaat), Zeeland, NL 5.144,00 N 343,00 E colourring read Maarten Sluijter
08-04-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
Data for this nest
Bird from De Kreupel, nest M10 on island M.
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill (mm) | Mass (gr) |
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 3 eggs | |||||||||
| 20-5-2022 | 3 pulli in nest | 5623560 | Red 2.7 | 61.0 | 160 | |||||
| pellet = spike perch 10 cm | 5623561 | Red 2.8 | 57.1 | 121 | ||||||
| 5623562 | Red 2.9 | 65.5 | 225 |
below: Caspian Gull cachinnans 2.7 4CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans 2.7 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
