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

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

Herring Gull argenteus 3.Y 1CY, August 2022, De Kreupel - H, the Netherlands & Southwold, England. Picture: Leon Kelder / camera trap & Brian Small.

Tibia red 3.Y and metal NLA 5.623.644, ringed as pullus Herring Gull (Larus argentatus) on 23-06-2022 at colony De Kreupel (IJsselmeer), the Netherlands (NL 5247.00 n 513.00 E), by ringer Leon Kelder.

Recoveries:
19-8-2022 Southwold (Strand), Suffolk, ENGELAND 5.219,00 N 141,00 E colourring read Brian Small

Previously, ring r-3.Y was used in nest D1, but that chick died. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Head+ bill (mm) Mass (gr)
29-4-2022   3 eggs
13-5-2022 2 eggs & 1 hatching egg
20-5-2022 2 pulli (ringed today) & 1 dead chick in nest 5623584 Red 3.X 66.6 238
5623585 Red 3.Y 64.7 225
17-6-2022 2 large juveniles dead in colony 5623584 Red 3.X
rings will be re-used 5623585 Red 3.Y
30-4 - 13-5-2022 camera trap: male hybrid Caspian x Herring Gull y-X311
female Herring Gull unringed

below: Herring Gull argenteus 3.Y 1CY, August 19 2022, Southwold, England. Picture: Brian Small.

below: Herring Gull argenteus 3.Y 1CY, August 03 2022, De Kreupel - H, the Netherlands. Picture: Leon Kelder / camera trap.