Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans hybrid R|U 1CY, 2025, the Netherlands. Picture: Han Buckx & Thijs Horst.
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Tibia G-R|U and metal NLA 5.641.916, ringed as pullus Larus cachinnans x argentatus hybrid on May 31 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Recoveries:
08-10-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Thijs Horst
09-10-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Jan Zorgdrager & Martijn van Manen
12-10-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Jan Zorgdrager
07-11-2025 Bloemendaal aan Zee (Strand), Noord-Holland, NL 5.224,00 N 432,00 E colourring read Han Buckx
Data for this nest in 2025:
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |
| 31-05-2025 | G-R|U | .5641916 | g-A|N | HYBRID | pullus | 120 | Ringed pullus | ||||||
| 09-06-2025 | G-R|U | .5641916 | HYBRID | pullus | 398 | ||||||||
| 29-06-2025 | G-R|U | .5641916 | NEST 92 | HYBRID | pullus | 279 | 762 |
below: Caspian Gull cachinnans hybrid R|U 1CY, November 07 2025, IJmuiden, the Netherlands. Picture: Han Buckx.
below: Caspian Gull cachinnans hybrid R|U 1CY, October 08 2025, IJmuiden, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans hybrid R|U 1CY, June 29 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans hybrid R|U 1CY, June 09 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans hybrid R|U 1CY, May 31 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
