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 0.F adult, February 2023 - July 2025, De Kreupel & Almere, the Netherlands. Picture: Eric Roeland, Thijs Horst & Mars Muusse.
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Tibia R-0F and metal 6.214.037, ringed as adult female Larus cachinnans on April 29 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E), by ringer Roland-Jan Buijs.
Recoveries:
24-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
25-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
Bird from De Kreupel, nest L23 on island L. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill (mm) | Mass (gr) | Tarsus | Gonys | Swab no |
| 29-4-2022 | 3 eieren | ||||||||||||
| trapped adult Caspian Gull | 6214037 | Red 0.F | 448 | 124.1 | 60.5 | 1028 | 72.8 | 17.6 | 1069 | ||||
| 13-5-2022 | 2 eggs, 1 egg hatching | ||||||||||||
| 20-5-2022 | 3 pulli in nest | 5623567 | Red 3.D | 67.2 | 225 | ||||||||
| 5623568 | Red 3.E | 60.2 | 131 | ||||||||||
| 5623569 | Red 3.F | 64.4 | 228 | ||||||||||
| 23-6-2022 | 1 pullus in colony | 5623568 | Red 3.E | 335.5 | 128.6 | 1302 | 291 | ||||||
| 20-5 - 25-5-2022 camera trap: | Caspian Gull r-0F | ||||||||||||
| Caspian Gull partner | |||||||||||||
below: Caspian Gull cachinnans 0.F adult, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans 0.F adult, December 23 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 0.F adult, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 0.F adult, February 25 2023, Almere, the Netherlands. Picture: Eric Roeland.
below: Caspian Gull cachinnans 0.F adult, February 24 2023, Almere, the Netherlands. Picture: Eric Roeland.
