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 P:3K0 4CY-7CY, 2022-2025, De Kreupel - H, the Netherlands. Picture: Leon Kelder, Thijs Horst & Mars Muusse.
Caspian Gull (Larus cachinnans) with yellow tarsus P:3K0. Ringed as pullus on May 25 2019 at mixed colony (Larus cachinnans kolonia) Kozielno, Poland.
Bird breeding at De Kreupel in 2022, nest J2-2022 on island J. Pulli ringed in 2022: 3 chicks.
Recoveries:
| 25/05/2019 | ZB.KOZIELNO,PACZKÓW, POLAND (DOLNOŚLĄSKIE) | ODRA: Jakub Szymczak, Paweł Grochowski, Małgorzata Pietkiewicz |
| 25/05/2019 | ZB.KOZIELNO,PACZKÓW, POLAND (DOLNOŚLĄSKIE) | ODRA: Jacek Betleja |
| 03/12/2019 | Dalsze:wysypisko śmieci, POLAND (ZACHODNIOPOMORSKIE) | Lech Antkowiak: KULING, |
| 04/03/2021 | Onderdijk, Vooroever, NETHERLANDS (NOORD-HOLLAND) | Leon Kelder |
| 16/03/2021 | Almere: de Vaart, NETHERLANDS (FLEVOLAND) | Eric Roeland |
| 19/03/2021 | Almere: de Vaart, NETHERLANDS (FLEVOLAND) | Eric Roeland |
| 20/05/2022 | De Kreupel, NETHERLANDS (FLEVOLAND) | Mars Muusse |
| 07/08/2022 | Enkhuizen, De Kreupel, NETHERLANDS (FLEVOLAND) | Leon Kelder |
| 03/03/2024 | De Kreupel, NETHERLANDS (FLEVOLAND) | thijs horst & Mars Muusse |
| 04/03/2024 | De Kreupel, NETHERLANDS (FLEVOLAND) | thijs horst & Mars Muusse |
| 19/07/2024 | De Kreupel NETHERLANDS (FLEVOLAND) | thijs horst & Mars Muusse |
Bird breeding at De Kreupel, nest J2-2022 on island J. 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 | Swab no |
| 29-4-2022 | 3 eggs | |||||||||||
| 13-5-2022 | 3 eggs | |||||||||||
| 20-5-2022 | 3 pulli in nest | 5623575 | Red 3.M | 61.9 | 154 | |||||||
| male y-P:3K0 alarming | 5623576 | Red 3.N | 57.8 | 125 | ||||||||
| female unringed | 5623577 | Red 3.P | 65.6 | 216 | ||||||||
| 26-5-2022 | r-3.M dead, rings will be re-used | 5623575 | Red 3.M | 1153 | ||||||||
| r-3.P dead, rings will be re-used | 5623577 | Red 3.P | 1154 | |||||||||
| r-3.N alive in nest | 5623576 | Red 3.N | 1155 | |||||||||
| 3-6-2022 | 1 pullus at nest | 5623576 | Red 3.N | 126.5 | 92.7 | 639 | 959 |
below: Caspian Gull cachinnans P:3K0 7CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans P:3K0 6CY, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans P:3K0 6CY, March 03-04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans P:3K0 4CY, August 07 2022, De Kreupel - H, the Netherlands. Picture: Leon Kelder / camera trap.
