Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Cachinnans - nest Lelystad b/r-JD

General remarks:

  • Eggs: Volume measured by Stonehouse (1964) and Spaans & Spaans (1975), which make comparison possible with data from Texel (Camphuysen pers comm 16.04.2020).
  • Nest b/r-JC positioned on dam 1, opposite yachts harbour, 2m east b/w-AJ & b/r-JD.
  • In 2025 breeding birds are Herring Gulls, of which the male now ringed, Herring Gull b/r-JD.
partner 1 April 28th, 2025: Herring Gull b/r-JD. April 28th, 2025: Herring Gull b/r-JD. April 28th, 2025: Herring Gull b/r-JD.
 

Data for nest b/r-JD.

2025 parent 1 parent 2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume TOTAL NEST:
b/r-JD teus
dam: dam 1
location:
2m east b/w-AJ & b/r-JD
parents: new
ringed:
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
4/28/2025 b/r-JD 6254500 dam 1 ZM M >4CY 437 1021 128,3 54,3 68,6 22 6
OBSERVATIONS:
4/28/2025 adult
breeding adult trapped on nest, now b/r-JD.