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 4.E 2CY, April 13 2023, Espinho, Portugal. Picture: Ana Dias Amaral.

R-4E and metal Arnhem NLA 5.623.605, ringed as pullus Larus cachinnans on May 26 2022 at De Kreupel, Holland (5247.00 N 513.00 E) by ringer Leon Kelder.
ID uncertain.

Recoveries:
13-04-2023 Espinho (Strand), Douro Litoral, PORTUGAL 4.100,00 N 838,00 W colourring read Ana Dias Amaral
13-12-2023 Getaria (Strand), Guipúzcoa, SPANJE 4.318,00 N 211,00 W colourring read Oliver Pérez Amas

Bird from De Kreupel, nest F1 on island F. Data for this nest:

Date: Comments Metal NLA Colour ring Head+ bill (mm) Mass (gr)
29-4-2022 3 eggs
13-5-2022 3 eggs
26-5-2022 3 pulli in nest, r-3.R & metal re-used here 5623578 Red 3.R 48.0 63
Herring Gull? 5623604 Red 4.D 46.3 48
5623605 Red 4.E 53.0 93

below: Caspian Gull cachinnans 4.E 2CY, April 13 2023, Espinho, Portugal. Picture: Ana Dias Amaral.