IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.FSZ |
| NLA 6.251.204 |
| Herring Gull |
| male, adult |
| ringed: May 15 2026 |
| Forteiland IJmuiden, Zuidvlak |
| Relations: |
| Y.FRZ female partner 2026 |
| - |
Herring Gull (argenteus) Y.FSZ adult, May 15 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.FSZ >4CY, May 15 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 | YFRZ | 437 | 69,3 | 122 | 50,6 | 19,3 | 4 | 946 | 26B02128 SERUM
|
Nest under Blue Sign. Partner ringed as well, earlier this season: YFRZ.
Note black markings in tail.
