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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International trend
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Site characteristics
Breeding biology
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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

Herring Gull argenteus 1.4 1CY, May 13 2022, De Kreupel, the Netherlands.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia R-14 and metal Arnhem 5.623.642, ringed as pullus Larus argentatus on June 23 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) by ringer Leon Kelder.

Recoveries:
19-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder

Bird from De Kreupel, nest M17 on island M. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Mass (gr) Swab no
29-4-2022   2 eggs
13-5-2022 2 pulli in nest 5623527 Red 1.4 50.6 85.0
5623528 Red 1.5 65.3 96.0
26-5-2022 prey is Caspian Gull chick r-2X from nest P3
1 juvenile out of the nest 5623528 Red 1.5 1150
17-6-2022 1 dead large juvenile in colony, ring re-used 5623527 Red 1.4
13-5 - 15-5-2022 camera trap: female Caspian Gull
male Caspian Gull is r-KA