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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Herring Gull argenteus 6.C adult, May - July 2022, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.

Red tibia ring r[6.C] and metal NLA 5.625.154, ringed as breeding adult Larus argentatus at nest 246Z on May 22 2022 in colony Lelystad, the Netherlands. Ringer: Jeroen Nagtegaal.
Nest with 3 eggs. On May 30th, 2 chicks found and ringed with metal tibia ring.

date            
22-05-2022 nest with 3 eggs, code '246Z', for Herring Gull control group. Herring Gull trapped at nest.
  metal: darvic: wing: Head + Bill: Gonys: Mass: Greytone:
  NLA 5625154 r-6.C 422 116,2 18,9 866 4.0
30-05-2022 2 chicks in nest. Both too small for darvic. Only metal rings. (<3 days age)
  NLA .5625185
  NLA .5625186
21-06-2022 pullus NLA .5625185 dead in nest.
28-06-2022 r-6C adult Herring Gull photographed at dump Almere - De Vaart.

below: Herring Gull argenteus 6.C adult, July 12 2022, Almere, the Netherlands. Picture: Mars Muusse.

below: Herring Gull argenteus 6.C adult, May 22 2022, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.