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.D 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 L5 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 Mass (gr) Swab no
14-4-2022 A-egg 66.6 49.0 3 eggs
B-egg 67.1 50.3
C-egg 70.6 50.2
29-4-2022 3 eggs
13-5-2022 3 pulli in nest 5623505 Red 1.D 66.0 172 1109
5623506 Red 1.E 62.8 150 1110
5623507 Red 1.G 68.8 211 1111
17-6-2022 1 large juvenile dead in colony 5623505 Red 1.D