IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FRU |
| NLA 5.643.266 |
| Lesser B-backed Gull |
| male, adult |
| ringed: May 08 2026 |
| Forteiland IJmuiden, Duintjes Oost |
| Relations: |
| Y.FTV female partner 2026 |
| Y.HRS offspring 2026 |
| - |
Lesser Black-backed Gull (graellsii) Y.FRU adult, May 08 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.FRU >4CY, May 08 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
| nest | partner | wing | tarsus | head-bill | bill | gonys | greytone | mass | swab code |
| - | YFTV (was YAUW) | 444 | 66,5 | 121,5 | 52,8 | 21,1 | 10 | 911 | 26B02103 |
