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 3.L 1CY, May 20 2022, De Kreupel, the Netherlands.
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Tibia ring R-3L and metal NLA Arnhem 5.623.574, ringed as pullus Larus cachinnans on May 20 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) - ringer Leon Kelder.
ID certain: parents are male and female Caspian Gull.
Recoveries:
16-10-2022 Dungeness, Kent, ENGELAND 5.054,00 N 58,00 E colourring read David Walker
16-10-2024 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
Bird from De Kreupel, nest L7 on island L. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Mass (gr) | Swab no |
| 14-4-2022 | A-egg | 71.3 | 49.3 | 2 eggs | ||||||
| B-egg | 75.8 | 49.1 | ||||||||
| 29-4-2022 | 2 eggs, 1 hatching egg | |||||||||
| 13-5-2022 | 1 pullus in nest | 5623511 | Red 1.L | 86 | 83.3 | 498 | 1112 | |||
| 20-5-2022 | 2 pulli outside nest | 5623511 | Red 1.L | 167 | 99.1 | 839 | ||||
| 5623574 | Red 3.L | 160.5 | 94.3 | 744 | ||||||
| 29-4 - 6-5-2022 camera trap: | male Caspian Gull | |||||||||
| female Caspian Gull | ||||||||||