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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Cachinnans - nest Lelystad 114

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 114 positioned on dam 1 at T split. Between light house and nest 109. Red spot on block already present.
  • ID certain in 2022: one adult cachinnans, one bird is Herring Gull argenteus.
location April 19th, 2022: location of nest. April 19th, 2022: location of nest. May 4th, 2022: Caspian Gull at location.
 

Visits and data 2022 for nest 114:

19-04-2022 2 adults at nest site. Nest is at old location, with red code still on block. 1x cachinnans and 1x argenteus.
 
27-04-2022 empty nest.
   
04-05-2022 2 adults at nest site: 1x cachinnans and 1x argenteus. Caspian seems to be incubating.
   
17-05-2022 empty nest.
   
17-06-2022 no birds present.