IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FRA |
| NLA 5.651.491 |
| Lesser B-backed Gull |
| male, adult |
| ringed: May 04 2026 |
| Forteiland IJmuiden, Centrale Vlak |
| Relations: |
| Y.BNR female partner 2026 |
| - |
Lesser Black-backed Gull (graellsii) Y.FRA 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.FRA >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. | YBNR | 418 | 63,4 | 123,1 | 52,7 | 18,6 | 10 | 895 | 26B02560 |
