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 3.E 1CY, May 20 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 L23 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 (mm) Mass (gr) Tarsus Gonys Swab no
29-4-2022   3 eieren
trapped adult Caspian Gull 6214037 Red 0.F 448 124.1 60.5 1028 72.8 17.6 1069
13-5-2022 2 eggs, 1 egg hatching
20-5-2022 3 pulli in nest 5623567 Red 3.D 67.2 225
5623568 Red 3.E 60.2 131
5623569 Red 3.F 64.4 228
23-6-2022 1 pullus in colony 5623568 Red 3.E 335.5 128.6 1302 291
20-5 - 25-5-2022 camera trap: Caspian Gull r-0F
Caspian Gull partner