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 2.5 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 M12 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) Swab no
14-4-2022 A-egg 74.0 47.4 3 eggs
B-egg 75.9 48.8
C-egg 79.2 47.5
29-4-2022 3 eggs
13-5-2022 1 pullus out of nest 5623544 Red 2.P 48 71.3 314
20-5-2022 3 pulli out of nest 5623544 Red 2.P 128 87.9 620
5623558 Red 2.5 82 79.8 422
5623559 Red 2.6 105 83.5 508
3-6-2022 1 pullus on island Q 5623544 Red 2.P 274.5 108.1 846 977