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 F9 1CY-5CY, May 2020 - July 2024, the Netherlands & France. Picture: Leon Kelder, Eric Roeland, Sophie Damian-Picollet, Jurgen Rotteveel, Thijs Horst & Mars Muusse..

P-F9 and metal Arnhem 5.545.429, ringed as pullus Larus cachinnans on May 21 2020 at IJsselmeer (De Kreupel), Holland (NL 5247.00 N 513.00 E), by ringer Leon Kelder.
Bird hatched in nest K07 in season 2020.

Recoveries:
03-10-2021 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
29-10-2021 Outreau (Bassin de la Liane), Pas-de-Calais, FRANKRIJK 5.042,00 N 136,00 E colourring read Jean Michel Sauvage
15-01-2022 Mimizan (Courant of Mimizan), Landes, FRANKRIJK 4.412,00 N 117,00 W colourring read Sophie Damian-Picollet
28-10-2022 IJmuiden (Strand Zuidpier), Noord-Holland, NL 5.228,00 N 434,00 E colourring read Jurgen Rotteveel
16-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
10-08-2023 Andijk (Jachthaven), Noord-Holland, NL 5.244,00 N 510,00 E colourring read Thijs Horst
19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst
07-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
07-09-2024 Andijk (Jachthaven), Noord-Holland, NL 5.244,00 N 510,00 E colourring read J. van Assema & T. Horst

Data for 2020:

date:	egg no:	width (mm):	length (mm):	volume (cm3):			Comments:
21-5-2020	C	52,3	67,1	118,56	Egg not furtile.		2 pulli ringed. One egg present.
			WING:	HEAD + BILL:	BILL:	WEIGHT:
21-5-2020	pullus	NLA 5.545.429 & p[F9]	--	71.1	27.7	252	Pullus ringed, F9.
21-5-2020		NLA 5.545.431	--	67.1	25.3	200	Pullus ringed, only metal, no colour ring.

below: Caspian Gull cachinnans F9 5CY, September 07 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F9 5CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F9 5CY, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F9 3CY, October 28 2022, IJmuiden, the Netherlands. Picture: Jurgen Rotteveel.

below: Caspian Gull cachinnans F9 3CY, January 15 2022, Mimizan, France. Picture: Sophie Damian-Picollet.

below: Caspian Gull cachinnans F9 2CY, October 03 2021, Almere, the Netherlands. Picture: Eric Roeland.

Faint mirror on 2nd gen P10.

below: Caspian Gull cachinnans F9 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.