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 F2 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

Bird hatched in nest K03 in season 2020. Brother / sister of p[F3] and p[F4].

date:	egg no:	width (mm):	length (mm):	volume (cm3):			comments:
10-4-2020	A	49,3	68,1	115,12			3 eggs in nest.
10-4-2020	B	48,4	65,7	105,19
10-4-2020	C	48,9	71,7	126,57
24-4-2020	Attempt to trap parents at nest. Unsuccessful. 3 warm eggs.
			WING:	HEAD + BILL:	BILL:	WEIGHT:
8-5-2020	pullus	NLA 5.545.419 & p[F2]	--	54.3	19.6	98	3 pulli at nest.
8-5-2020	pullus	NLA 5.545.420 & p[F3]	--	54.4	19.9	101
8-5-2020	pullus	NLA 5.545.421 & p[F4]	--	51.0	19.5	78
21-5-2020	pullus	NLA 5.545.419 & p[F2]	120.0	94.7	38.3	680	3 chicks at the nest.
21-5-2020	pullus	NLA 5.545.420 & p[F3]	124.5	94.1	37.6	672
21-5-2020	pullus	NLA 5.545.421 & p[F4]	99.5	88.6	37.7	550
12-6-2020		NLA 5.545.420 & p[F3]	346.5	126.7	55.0	1117	2 chicks at the nest.
12-6-2020		NLA 5.545.421 & p[F4]	327.0	126.1	52.4	1221