Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Location Lelystad
Location De Kreupel
2019 Lelystad
2020 Lelystad
2021 Lelystad
Coded nests Lelystad
2020 De Kreupel
2021 De Kreupel
Coded nests De Kreupel
All ring codes 2020
All ring codes 2021

Herring Gull argenteus B.P 1CY-5CY, 2021-2025, Almere & De Kreupel, the Netherlands. Picture: Leon Kelder & Thijs Horst.

Red B.P and metal NLA 5.620.085, ringed as pullus on July 02 2021 at colony De Kreupel - eastern section, the Netherlands (5247.00 N 513.00 E). Ringer: Leon Kelder.

Recoveries:
30-07-2021 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
20-08-2021 Grafham Water, Cambridgeshire, ENGELAND 5.217,00 N 17,00 W colourring read Richard Patient
03-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
09-05-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
10-04-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst

below: Herring Gull argenteus B.P 5CY, April 10 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus B.P 4CY, May 09 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus B.P 1CY, July 30 2021, De Kreupel, the Netherlands. Picture: Leon Kelder.

Plumage pattern and late moult in scapulars in 1CY July indicate Herring Gull.

Herring Gull, note:
- compact jizz, short winged,
- tibia have sort impression,
- notched fringes at tertials,
- rounded head with stubby bill (compare to resting immature Caspian Gull, left),
- greater coverts with deep notched pattern, also in outer feathers, and lacking bold white tips,
- scapular region still completely juvenile by last day of July.