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.+ 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 M2 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
14-4-2022 A-egg 75.5 52.2 3 eggs
B-egg 69.8 49.4
C-egg 77.2 49.9
29-4-2022 3 eggs
13-5-2022 1 egg, 2 pulli in nest 5623532 Red 1.= 45.5 69.1 272
5623533 Red 1.+ 66.7 256
15-7-2022 Dying juvenile at island Q 5623532 Red 1.= 364-1455
13-5 - 17-5-2022 camera trap: female Caspian Gull
male Caspian Gull