Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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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 hybrid XDHD 2CY- 10CY, February 15 2024, the Netherlands. Picture: Leon Kelder, Corstiaan Beeke, Mars Muusse & Thijs Horst.

Green tarsus XDHD, ringed as pullus in 2015 in Germany. Turned out to show hybrid characteristics.
Breeding bird in colony De Kreupel, the Netherlands, in seasons 2021-2023.

Coordinator: Leon Kelder.
Ringers: Roland-Jan Buijs, Leon Kelder & Merijn Loeve.

Data for 2023:
Green XDHD at nest C4 on May 19 2023.
Nest with 3 eggs. First egg laid on April 9th, 2023 (+/- 2 days).
Nest with 3 chicks. All 3 birds fledged.
G-2|+, fledged but on July 3rd still at De Kreupel.
G-2|=, fledged but on July 14th still at De Kreupel.
G-4|1, fledged and reported in SW Friesland.

below: Caspian Gull cachinnans hybrid XDHD 10CY, March 03-04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Small mirror on P9. Broad medial band on P10.

below: Caspian Gull cachinnans hybrid XDHD 10CY, February 15 2024, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans hybrid XDHD 8CY, June 03 2022, De Kreupel - J, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans hybrid XDHD 7CY, April 09 2021, De Kreupel - N, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans hybrid XDHD 2CY, November 08 2016, Westkapelle, the Netherlands. Picture: Corstiaan Beeke.

HY=2015.