Larus cachinnans in the Netherlands

(last update: August 16, 2020)
Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20

Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21

Caspian Gull cachinnans P:3K0 4CY& 6CY, August 2022 & March 2024, 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

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 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.