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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hybrid Caspian Gull cachinnans x Herring Gull argenteus 4.P 1CY, May 26 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 M. 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
17-6-2022   3 pulli at nest 5623627 Red 4.N 180.5 94.6 645 1211
1 unringed adult Caspian Gull alarming 5623628 Red 4.P 201.0 102.2 859 1212
5623629 Red 4.R 207.5 98.8 638 1213