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 1.M 1CY-4CY, 2022-2025, the Netherlands & England. Picture: Sylvain Fleur, Annelies Marijnis, Dale Green & Robert Flood.
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Tibia red 1.M and metal NLA 5.623.512, ringed as pullus Caspian Gull (Larus cachinnans) on 13-05-2022 at colony De Kreupel (IJsselmeer), the Netherlands (NL 5247.00 n 513.00 E), by ringer Leon Kelder.
Recoveries:
16-07-2022 Cotesbach (Vuilstort), Leicestershire, ENGELAND 5.225,00 N 112,00 W colourring read Carl Baggott
27-07-2022 Cotesbach (Vuilstort), Leicestershire, ENGELAND 5.225,00 N 112,00 W colourring read Dale Green
30-08-2022 Isles of Scilly (Offshore), ENGELAND 4.957,00 N 618,00 W colourring read Robert Flood
08-12-2023 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Ruud Altenburg
13-11-2024 IJmuiden (Strand), Noord-Holland, NL 5.227,00 N 434,00 E colourring read Sylvain Fleurr
08-07-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Bird from De Kreupel, nest L8 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 | 71.1 | 51.2 | 3 eggs | ||||||
| B-egg | 71.7 | 51.9 | ||||||||
| C-egg | 67.8 | 50.1 | ||||||||
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 3 pulli in nest | 5623512 | Red 1.M | 59.4 | 147 | |||||
| 5623513 | Red 1.N | 56.1 | 126 | |||||||
| 5623514 | Red 1.P | 53.5 | 90 | |||||||
| 3-6-2022 | 3 pulli in nest | 5623512 | Red 1.M | 225.5 | 102.6 | 849 | 952 | |||
| 5623513 | Red 1.N | 214.5 | 97.5 | 766 | 951 | |||||
| 5623514 | Red 1.P | 205.0 | 107.0 | 761 | 953 |
below: Caspian Gull cachinnans 1.M 3CY, November 13 2024, IJmuiden, the Netherlands. Picture: Sylvain Fleur.
below: Caspian Gull cachinnans 1.M 3CY, October 2024, Katwijk aan Zee, the Netherlands. Picture: Annelies Marijnis.
below: Caspian Gull cachinnans 1.M 1CY, August 30 2022, Isles of Scilly, England. Picture: Robert Flood.
below: Caspian Gull cachinnans 1.M 1CY, July 27 2022, Cotesbach, England. Picture: Dale Green.
