Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Home

Project Info
International trend
National trend
Site characteristics
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 F5 1CY-2CY, May 2020 & May 2021, De Kreupel & Almere, the Netherlands. Picture: Leon Kelder & Eric Roeland.

Bird hatched in nest K02 in season 2020. Brother / sister of P[F6].

date:	egg no:	width (mm):	length (mm):	volume (cm3):				comments:
10-4-2020	A	50,9	74,3	141,48				2 eggs in nest.
10-4-2020	B	51,2	76,3	150,08
24-4-2020	Attempt to trap parents at nest. Unsuccessful.
			WING:	HEAD + BILL:	BILL:	WEIGHT:
8-5-2020	pullus	NLA 5.545.423 & p[F5]	--	55.1	20.9	128		2 pulli in nest.
8-5-2020	pullus	NLA 5.545.422 & p[F6]	--	53.8	20.1	98
21-5-2020	pullus	NLA 5.545.423 & p[F5]	137,0	87.4	34.8	632		No trace of F6.

below: Caspian Gull cachinnans F5 2CY, May 01 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F5 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.