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 2021
nest y-PNED
nest y-PLDP
nest y-PHSV
nest y-P:A02
nest y-P:U60
nest zy-MT
nest r-FB
nest r-FC
nest 001
nest 003
nest 006
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016B
nest 017
nest 018
nest 019
nest 021
nest 034
nest 035
nest 038
nest 040
nest 041
nest 042
nest 044
nest 045
nest 046
nest 047
nest 048
nest 053
nest 055
nest 056
nest 058
nest 060
nest 062
nest 063
nest 065
nest 066
nest 067
nest 072

Caspian Gull cachinnans F|Y 1CY-4CY, May 2021 - February 2024, the Netherlands & Belgium. Picture: Maurice Segers, Eric Roeland, Albert de Jong, Thijs Horst & Mars Muusse.

Blue tibia F|Y and metal NLA 5.559.410, ringed as pullus Larus cachinnans on May 28 2021 at nest PHSV (64) in colony Lelystad, the Netherlands.
ID certain in 2021, both breeders are Caspian Gull cachinnans, y[PHSV] is 11CY and unringed adult partner.

Recoveries
29-08-2021 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
04-09-2021 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
10-04-2022 Neder-over-Heembeek (Vuiloverslag), Brussel, BELGIE 5.053,00 N 422,00 E colourring read Maurice Segers
01-06-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
18-06-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Roland-Jan Buijs
17-07-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
29-07-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
06-08-2022 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Albert de Jong
23-08-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
11-09-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
19-09-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Guus van Duin
23-09-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
18-11-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
20-11-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
20-11-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland & Thijs Horst
01-12-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
04-12-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
21-01-0123 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
03-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
23-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
24-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
03-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
12-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
14-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
17-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
31-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
07-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
09-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
14-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
18-04-2023 Onderdijk (Vooroever), Noord-Holland, NL 5.244,00 N 508,00 E colourring read Leon Kelder
21-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
27-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
02-05-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
06-12-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Gabi Martin, Mars Muusse & Thijs Horst
15-02-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
16-03-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Jeroen van Assema
19-03-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Leon Kelder
20-03-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Leon Kelder

Visits and data.

date:            
24-04-2021 2 partners present, one is y[PHSV] and unringed adult. Nest allows trapping breeders, easily. 3 eggs in nest.
  egg no: width (mm) length (mm) volume (cm3):  water test on April 24th:   
  A egg 49,4 75,7 93,01 45 - tip bottom  
  B egg 50,6 76,6 98,75 45 - tip bottom  
  C egg 51,6 73,7 98,80 65 - tip bottom  
  sum nest: 290,56    
   
26-04-2021 Both partners present. Partner 2 with small black spot on primary coverts.
   
13-05-2021 Both partners present.
  1 chcick: 1,5 days old.
  1 chick: hatching
  1 egg: still in tact.
   
15-05-2021 1 chick: mass = 88 gr.
  1 chick: mass = 107 gr.
  1 egg just hatching.
   
28-05-2021   metal tibia mass head + bill  
  pull .5559409 b-F|X >400 85  
  pull .5559410 b-F|Y >400 88,5  
  pull .5559411 b-F|Z >400 78,3  
  Partner 2 has fishgear in beak.
   
08-06-2021 2 partners at nest. partner 2 has no longer hooked with fishline.
   
26-06-2021 No activity.

below: Caspian Gull cachinnans F|Y 4CY, February 15 2024, Almere, the Netherlands. Picture: Thijs Horst.

Limping left leg.

below: Caspian Gull cachinnans F|Y 3CY, December 06 2023, Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F|Y 3CY, November 12 2023, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|Y 3CY, April 27 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F|Y 3CY, March 17 2023, Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F|Y 3CY, March 03 2023, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|Y 2CY, November 20 2022, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|Y 2CY, August 23 2022, Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F|Y 2CY, June 28 2022, Almere, the Netherlands. Picture: Mars Muusse.

Caspian Gull jizz.

below: Caspian Gull cachinnans F|Y 2CY, April 10 2022 Neder-over-Heembeek - Brussel, Belgium. Picture: Maurice Segers.

below: Caspian Gull cachinnans F|Y 1CY, August 29 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|Y 1CY, May 28 2021, Lelystad, the Netherlands. Picture: Albert de Jong & Mars Muusse.