Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Lelystad 2020:
nest 001
nest 002 yPNED
nest 003
nest 005 yPLDP
nest 006 yPESV
nest 008 gXLDT
nest 009
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016
nest 017
nest 018
nest 021
nest 025
nest 027
nest 028
nest 029
nest 031
nest 032
nest 033
nest 034
nest 035
nest 036
nest 037
nest 038
nest 039
pair A
pair B

 

Caspian Gull cachinnans F|8 1CY-5CY, May 2020 - March 2024, Lelystad & Almere, the Netherlands. Picture: Merijn Loeve, Thijs Horst & Eric Roeland.

Black bar tibia ring n[F|8] and metal ring NLA 5.552.919, ringed as pullus Larus cachinnans on May 21 2020 at nest 011 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs.

Recoveries:
06-02-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
09-10-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
03-03-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
09-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
27-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
30-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
13-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
25-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
08-04-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse

Data for nest 11:

datum: egg no: width (mm) length (mm) volume (cm3):  water test on April 27th:  
15-04-2020 A 51,5 70 93,48 50 - tip on bottom 3 eggs in nest.
15-04-2020 B 51,2 74,4 98,20 55 - tip on bottom
15-04-2020 C 51,2 75,2 99,26 85 - tip on bottom  
  sum nest: 290,93
07-05-2020 egg     Fully grown chick died inside the egg.
07-05-2020 pullus     Pullus 4 days old.
07-05-2020 pullus     Pullus 4 days old.
   
21-05-2020 pullus     Nest empty, but 2 chicks near nest and ringed. Pullus n[F|8].
21-05-2020 pullus     Nest empty, but 2 chicks near nest and ringed. Pullus n[F|9].
         
02-06-2020 --     No chicks present. Both parents present.

below: Caspian Gull cachinnans F|8 5CY, March 31 2024, Lelystad, the Netherlands. Picture: Mars Muusse & Thijs Horst.

Male Caspian Gull n-F|8 and female Caspian partner.

below: wingtip of n-F|8.

Below: female partner of n-F|8.

below: Caspian Gull cachinnans F|8 5CY, March 25 2024, Lelystad, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|8 4CY, June 25 2023, Lelystad, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|8 4CY, April 27 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Breeding in Lelystad colony in 2023.

below: Caspian Gull cachinnans F|8 4CY, April 09 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Breeding in Lelystad colony in 2023.

below: Caspian Gull cachinnans F|8 4CY, March 03 2023, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|8 2CY, October 09 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|8 2CY, February 06 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|8 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.