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 0.8 1CY, May 13 2022, De Kreupel, the Netherlands.

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Bird from De Kreupel, nest E1 on island E. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Bill Mass (gr)
14-4-2022 A-egg 74.0 51.5 2 eggs
B-egg 72.2 49.8
29-4-2022 3 eggs
13-5-2022 3 pulli in nest 5620248 Red 0.8 51.1 61
5620249 Red 0.9 52.2 81
5620250 Red 0.= 53.7 88