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 F+ 1CY-5CY, May 2020 - March 2024, the Netherlands. Picture: Thijs Horst, Mars Muusse, Rob Dekker, Willem Wind & Leon Kelder.

Tibia P-F+ and metal NLA Arnhem 5.545.430, ringed as pullus Larus cachinnans on 21-05-2020 at IJsselmeer (De Kreupel), Holland (NL 5247.00 N 513.00 E) - ringer Leon Kelder.
Bird hatched in nest K06 in season 2020. Parent is cachinnans y[X804] from Germany.

Recoveries
12-06-2020, IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
10-09-2021 Hoornderslag (Strand), Texel, NL 5.301,00 N 442,00 E colourring read Rob Dekker
04-10-2021 De Cocksdorp (Eierlandse Dam), Texel, NL 5.310,00 N 450,00 E colourring read Willem Wind
07-11-2021 Het Zwin (Graaf Leon Lippensdreef), West-Vlaanderen, BELGIE 5.121,00 N 320,00 E colourring read Jan Talloen
04-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst & Mars Muusse
16-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
23-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
27-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Douwe van der Ploeg & Eric Roeland
28-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
03-03-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse

Data for nest K06-2020:

date: egg no: width (mm): length (mm): volume (cm3):      Comments:    
24-4-2020 Attempt to trap parents at nest. Unsuccessful. Three warm eggs at nest.
               
21-5-2020 B 50,0 71,9 130,14 Cold egg.   1 pullus ringed. Two eggs cold.
21-5-2020 C 49,1 68,7 116,68 Cold egg.   1 pullus ringed. Two eggs cold.
    WING: HEAD + BILL: BILL: WEIGHT:  
21-5-2020 pullus NLA 5.545.430 & p[F+] -- 78.0 30.7 356 1 pullus ringed. Two eggs cold.
                 
12-6-2020 pullus NLA 5.545.430 & p[F+] 294.5 114.7 47.5 880  

below: Caspian Gull cachinnans F+ 5CY, March 03 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F+ 4CY, April 04 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F+ 2CY, October 04 2021, De Cocksdorp - Texel, the Netherlands. Picture: Willem Wind.

below: Caspian Gull cachinnans F+ 2CY, September 10 2021, Hoornderslag - Texel, the Netherlands. Picture: Rob Dekker.

below: Caspian Gull cachinnans F+ 1CY, June 12 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F+ 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.