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.L 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 A1 on island A. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Tarsus Bill Mass (gr) Swab no
14-4-2022 A-egg 69.6 50.1
B-egg 69.3 48.4
C-egg 68.8 49.8
13-5-2022 3 pulli in nest, ringed today 5620227 Red 0.L 62.4 217
two unringed parents at nest 5620228 Red 0.M 69.5 79.9 423 1093
5620229 Red 0.N 83.5 79.0 457 1094