Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Home

Hybrid Herring Gull argenteus x Caspian Gull cachinnans F|6 1CY & 3CY, May 2021 & May 2023, Lelystad & Callantsoog, the Netherlands.

Tibia B-F|6 and metal Arnhem NLA 5.559.420, ringed as pullus F1 hybrid Herring Gull argenteus x Caspian Gull Larus cachinnans on May 28 2021 at nest 40 in colony Lelystad, the Netherlands.
Father is Caspian Gull and mother is Herring Gull.

Recoveries:
09-01-2023 Thamesmead (River Thames), Greater London, ENGELAND 5.130,00 N 6,00 E colourring read Richard Bonser
26-02-2023 Thamesmead (River Thames), Greater London, ENGELAND 5.130,00 N 6,00 E colourring read Richard Bonser
20-05-2023 Callantsoog (Strand), Noord-Holland, NL 5.250,00 N 441,00 E colourring read Thijs Horst
21-01-2024 Thamesmead (River Thames), Greater London, ENGELAND 5.130,00 N 6,00 E colourring read Richard Bonser

Visits and data:

date:              
06-05-2021 Still no visits this season, due to presence of many Spoonbills.
   
13-05-2021 No visit. Camilla is trapping a Spoonbill at dam 1.
   
15-05-2021 Still no visits this season, due to presence of many Spoonbills.
   
28-05-2021 The only real visit this season: 2 pulli in nest.
  metal ring plastic: head+bill:  
pullus .5559420 b-F|6 64,2 F1 hybride argentatus x cachinnans
pullus .5559421 b-F|7 66,6 F1 hybride argentatus x cachinnans
   
08-06-2021 Herring Gull at this location and several alrming Caspian Gulls in the air, probably including partner.

below: hybrid Herring Gull argenteus x Caspian Gull cachinnans F|6 3CY, May 20 2023, Callantsoog, the Netherlands. Picture: Mars Muusse.

below: hybrid Herring Gull argenteus x Caspian Gull cachinnans F|6 1CY, May 28 2021, Lelystad, the Netherlands. Picture: Albert de Jong, Roland-Jan Buijs & Mars Muusse.