IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FST |
| NLA 5.556.889 |
| Lesser B-backed Gull |
| female, pullus |
| ringed: June 28 2021 |
| Forteiland IJmuiden, - |
| ringed: May 15 2026 |
| Forteiland IJmuiden, Zuidvlak |
| Relations: |
| - |
Lesser Black-backed Gull (graellsii) Y.FST adult, 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
Ringed asd pullus (only metal) in season 2021 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
Ringed as breeding adult in breeding season 2026 at Forteiland, IJmuiden. Plastic ring added. Ringed by Fred Cottaar ringing team.
below: Lesser Black-backed Gull (graellsii) Y.FST 6CY, June 05 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
below: Lesser Black-backed Gull (graellsii) Y.FST 6CY, May 15 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
| nest | partner | wing | tarsus | head-bill | bill | gonys | greytone | mass | swab code |
| nest 1 egg. | Unringed | 409 | 60,1 | 110,6 | 50 | 16,7 | 9,5 | 782 | 26B02126 SERUM
|
CONTROLL. Pullus 28 juni 2021, Forteiland. Caught on nest 1 egg.
below: Lesser Black-backed Gull (graellsii) NLA 5.556.889 6CY, April 10 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
