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 1.Z 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 L15 on island L. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Bill (mm) Mass (gr)
14-4-2022 A-egg 74.4 49.0 3 eggs
B-egg 71.0 50.8
C-egg 68.5 49.2
29-4-2022 2 eggs
13-5-2022 1 egg, 1 pullus 5623523 Red 1.Z 47.5 65.0 203
29-4 - 6-5-2022 camera trap: 4CY female Caspian Gull n-F|C
4CY male Caspian Gull