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.N 1CY, May 13 2022, De Kreupel, the Netherlands.

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Bird from De Kreupel, nest M8 on island M. 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
14-4-2022 A-egg 69.5 49.3 2 eggs
B-egg 70.7 49.6
29-4-2022 2 eggs
5CY Caspian Gull trapped 6214034 Red 0.B 462 136.7 65.0 1276 75.8 20.2 1065
13-5-2022 2 pulli in nest 5623542 Red 2.M 60.8 151
5623543 Red 2.N 58.1 131