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 223

See HERE for yX540-2022.

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 223 positioned high on breakwater dam 2 at the north side, 5 meters north of nest 17, and 3 mtr east of nest y-X60J-2024.
  • ID certain in 2022, see yX540-2022.
  • In 2024: uncertain.
location:      
       
food: April 21st, 2022: Greylag Goose on the menu.   .
     

Visits and data 2024

NEST code parent 1 parent  2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume TOTAL NEST:
  77,6 50,3 98,85 0,00 0,00 98,85
223-2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  1 21-4-2024 19-5-2024
   
dam: dam 2 central
location: 223-2022, 3 mtr north of 17, 3 mtr east of 253
parents? Same as 2022?
   
ring pulli: 25-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
                           
OBSERVATIONS:
21-4-2024 eggs: 1 egg, measured.
food: Greylag Goose chicks: 14 legs