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

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Bird from De Kreupel,

Tibia R[1.R] and metal ring Arnhem NLA 5.623.515, ringed as pullus Larus cachinnans on May 13 2022 at De Kreupel nest L11 on island L by ringer Leon Kelder.

Recoveries:
21-2-2023 Bunschoten-Spakenburg (Visverwerker), Utrecht, NL 5.215,00 N 523,00 E colourring read Hans van Muiswinkel

Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Mass (gr)
14-4-2022 A-egg 71.9 51.3 3 eggs
B-egg 72.2 51.9
C-egg 69.3 51.2
29-4-2022 3 eggs
13-5-2022 2 eggs, 1 pullus 5623515 Red 1.R 63.1 190