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 0.+ 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

Bird from De Kreupel, nest H1 on island H. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Bill Mass (gr)
29-4-2022   3 eggs
13-5-2022 2 eggs, 1 pullus 5623501 Red 0.+ 49.5 67
20-5-2022 2 pulli in nest 5623501 Red 0.+
5623580 Red 3.T 56.3 121
17-6-2022 1 large juvenile, dead in colony 5623501 Red 0.+