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 2.U 1CY, July 01 2022, De Kreupel, the Netherlands. Picture: Jeroen van Assema.

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 N1 on island N. 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) Swab
14-4-2022 A-egg 71.3 54.3 2 eggs
B-egg 70.0 52.5
13-5-2022 2 pulli in nest 5623548 Red 2.U 61.2 163
5623549 Red 2.V 49.6 109
8-7-2022 1 juvenile, freshly dead on island Q 5623549 Red 2.V 364-1402

below: Caspian Gull cachinnans 2.U 1CY, July 01 2022, De Kreupel, the Netherlands. Picture: Jeroen van Assema.