Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Hybrid Herring Gull argenteus x Caspian Gull cachinnans F|6 1CY-5CY, May 2021 - April 2025, 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
04-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
10-04-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
Visits and data 2021 nest 40
| 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 alarming Caspian Gulls in the air, probably including partner. | ||||||
below: hybrid Herring Gull argenteus x Caspian Gull cachinnans F|6 5CY, April 04 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
P10 with thayeri pattern.
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.
