Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Home

Project Info
International trend
National trend
Site characteristicss
Breeding biology
Fecundity
Food resources
Nonbreeding season
Breeding species
Hybrid scores
Ring codes
Future

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 F7 1CY & 3CY, May - June 2020 & May 2022, De Kreupel & Medemblik, the Netherlands. Picture: Leon Kelder.

Bird hatched in nest K04 in season 2020. Brother / sister of p[F8].

Tibia ring P-F7 and metal ring NLA Arnhem 5.545.427, ringed as pullus Larus cachinnans on May 21 2020 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) - ringer Leon Kelder.

Recoveries:
12-06-2020 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
07-04-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
06-05-2022 Wieringermeer (Zuiderdijkweg), Noord-Holland, NL 5.246,00 N 506,00 E colourring read Leon Kelder
23-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder

Data for nest K04-2020:

date:	egg no:	width (mm):	length (mm):	volume (cm3):			comments:
24-4-2020	A	50,7	71,8	131,60
24-4-2020	B	50,8	70,8	128,21			Attempt to trap parents at nest. Unsuccessful. 3 warm eggs.
24-4-2020	C	50,2	73,9	138,04
8-5-2020	A, B, C						3 warm eggs.
			WING:	HEAD + BILL:	BILL:	WEIGHT:
21-5-2020	pullus	NLA 5.545.427 & p[F7]	--	68.5	25.3	232	2 chicks at the nest.
21-5-2020	pullus	NLA 5.545.428 & p[F8]	--	72.4	28.6	282
12-6-2020	pullus	NLA 5.545.427 & p[F7]	269.5	118.5	46.2	1142	2 chicks at the nest.
12-6-2020	pullus	NLA 5.545.428 & p[F8]	276.0	120.9	48.4	1182

below: Caspian Gull cachinnans F7 3CY, May 06 2022, Medemblik, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F7 1CY, June 12 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F7 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.