IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FWM |
| NLA 6.251.219 |
| Herring Gull |
| female, adult |
| ringed: May 22 2026 |
| Forteiland IJmuiden, Duintjes Midden |
| Relations: |
| Y.FWK male, partner 2026 |
| - |
Herring Gull (argenteus) Y.FWM adult, 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.
Herring Gull (argenteus) Y.FWM >4CY, May 22 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
| nest | partner | wing | tarsus | head-bill | bill | gonys | greytone | mass | swab code |
| Caught on nest 2 eggs | YFWK | 394 | 60,7 | 118,9 | 49,6 | 18 | 3,5 | 927 | 26B02841 SERUM
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