Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Nests at Lelystad 2022
nest y-PNED
nest y-PHSV / r-CG
nest y-P:U60
nest y-X56A
nest y-X71A
nest y-X540
nest y-XCHP
nest w-327:U
nest n-F|N
nest r-6A
nest r-6B
nest r-6C
nest r-CS
nest r-FC
nest w-8Z
nest zy-MT
nest 003
nest 011
nest 012
nest 014
nest 015
nest 017
nest 017B
nest 018
nest 019
nest 021
nest 026
nest 034
nest 035
nest 038
nest 040
nest 044
nest 046
nest 048
nest 053
nest 055
nest 058
nest 060
nest 061Z
nest 062
nest 063
nest 107Z
nest 109
nest 111
nest 112
nest 113
nest 117Z
nest 118Z
nest 123Z
nest 124Z
nest 125Z
nest 126Z
nest 127Z
nest 128Z
nest 129Z
nest 131Z
nest 132 YLG
nest 133
nest 134
nest 135
nest 136
nest 137
nest 138
nest 139
nest 143Z
nest 203
nest 204
nest 207
nest 222Z
nest 227
nest 228Z
nest 229
nest 230Z
nest 231
nest 240Z
nest 244
nest 245Z

Caspian Gull cachinnans (hybrid) 5.1 1CY-3CY, May 2022 - September 2024, the Netherlands. Picture: Hans Kouwenberg, Bernadette Balten, Dick Kuipers, Thijs Horst & Mars Muusse.

Red tibia ring r[5.1] and metal NLA 5.625.128, ringed as pullus Larus cachinnans at nest 221 / y[XCHP] on May 17 2022 in colony Lelystad, the Netherlands. Ringer: Albert de Jong / Herman Bouman.
ID certain in 2022, both parents are hybrid Caspian Gull cachinnans: mother is hybrid y[XCHP] from Germany and father is hybrid-type 4CY.

Recoveries:
30-05-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E captured by ringer Albert de Jong
07-08-2022 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Thijs Horst
26-09-2022 Lauwersoog (Haven), Groningen, NL 5.324,00 N 612,00 E colourring read Dick Kuipers
15-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
19-10-2023 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Thijs Horst
02-12-2023 Dorkwerd (Dorkwerdersluis), Groningen, NL 5.315,00 N 630,00 E colourring read Bernadette Balten
19-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
20-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
26-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
06-04-2024 Zwolle (Stadshagen), Overijsel, NL 5.232,00 N 604,00 E colourring read Pieter Doornbos
12-09-2024 Gouda (Gouwekanaal), Zuid-Holland, NL 5.201,00 N 440,00 E colourring read Hans Kouwenberg

below: Caspian Gull cachinnans (hybrid) 5.1 3CY, September 12 2024, Gouda, the Netherlands. Picture: Hans Kouwenberg.

below: Caspian Gull cachinnans (hybrid) 5.1 3CY, June 04 2024, colony Lelystad, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans (hybrid) 5.1 3CY, March 26 2024, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans (hybrid) 5.1 3CY, March 20 2024, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans (hybrid) 5.1 3CY, March 19 2024, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans (hybrid) 5.1 2CY, December 02 2023, Dorkwerd, the Netherlands. Picture: Bernadette Balten.

below: Caspian Gull cachinnans (hybrid) 5.1 2CY, October 19 2023, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans (hybrid) 5.1 2CY, February 15 2023, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans (hybrid) 5.1 1CY, September 26 2022, Lauwersoog, the Netherlands. Picture: Dick Kuipers.

Obvious cachinnans traits in this bird.

below: Caspian Gull cachinnans (hybrid) 5.1 1CY, August 07 2022, Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans (hybrid) 5.1 1CY, June 28 2022, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

r[5.1] cachinnans hybrid from nest 221 y[XCHP]. Picture: June 28th, 2022.
Fledged. Sibling r[5.0], the 2nd chick, also fledged.

Below: primary pattern nice match to Caspian Gull.

below: Caspian Gull cachinnans (hybrid) 5.1 1CY, June 21 2022, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans (hybrid) 5.1 1CY, May 30 2022, Lelystad, the Netherlands. Picture: Mars Muusse.