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.T 1CY, November 11 2022, Tanholt Cambridgeshire, England. Picture: Josh Jones.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia ring R-3T and metal NLA Arnhem 5.623.580, ringed as pullus Larus cachinnans on May 20 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) - ringer Leon Kelder.

Recoveries:
11-11-2022 Tanholt (Cat's Water), Cambridgeshire, ENGELAND 5.235,00 N 10,00 W colourring read Josh Jones
08-10-2023 IJmuiden (Strand), Noord-Holland, NL 5.227,00 N 434,00 E colourring read Jan Zorgdrager
22-03-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Leon Kelder

Bird from De Kreupel, nest H1 on island H. Data for this nest:

Date: Egg code Height (mm)  Width (mm) Comments Metal NLA Colour ring Wing (mm) Head+ bill (mm) Bill Mass (gr)
29-4-2022   3 eggs
13-5-2022 2 eggs, 1 pullus 5623501 Red 0.+ 49.5 67
20-5-2022 2 pulli in nest 5623501 Red 0.+
5623580 Red 3.T 56.3 121
17-6-2022 1 large juvenile, dead in colony 5623501 Red 0.+

below: Caspian Gull cachinnans 3.T 1CY, November 11 2022, Tanholt Cambridgeshire, England. Picture: Josh Jones.