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.L 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

Tibia ring R-3L and metal NLA Arnhem 5.623.574, ringed as pullus Larus cachinnans on May 20 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) - ringer Leon Kelder.
ID certain: parents are male and female Caspian Gull.

Recoveries:
16-10-2022 Dungeness, Kent, ENGELAND 5.054,00 N 58,00 E colourring read David Walker

Bird from De Kreupel, nest L7 on island L. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Mass (gr) Swab no
14-4-2022 A-egg 71.3 49.3 2 eggs
B-egg 75.8 49.1
29-4-2022 2 eggs, 1 hatching egg
13-5-2022 1 pullus in nest 5623511 Red 1.L 86 83.3 498 1112
20-5-2022 2 pulli outside nest 5623511 Red 1.L 167 99.1 839
5623574 Red 3.L 160.5 94.3 744
29-4 - 6-5-2022 camera trap: male Caspian Gull
female Caspian Gull