IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FRK |
| NLA 5.651.498 |
| Lesser B-backed Gull |
| male, adult |
| ringed: May 04 2026 |
| Forteiland IJmuiden, Zuidvlak |
| Relations: |
| - |
Lesser Black-backed Gull (graellsii) Y.FRK adult, May 04 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
Ringed as breeding adult in breeding season 2026 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
below: Lesser Black-backed Gull (graellsii) Y.FRK >4CY, May 04 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
| nest | partner | wing | tarsus | head-bill | bill | gonys | greytone | mass | swab code |
| caught on nest 3 eggs. | - | 422 | 67,4 | 121,4 | 55,3 | 18,5 | 11,5 | 814 | 26B02566 |
Thick right foot.
