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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Caspian Gull cachinnans 3.X 1CY, May 20 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

Bird from De Kreupel, nest D1 on island D. 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