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| Y.HFB |
| NLA 5.651.667 |
| Herring Gull |
| pullus |
| ringed: June 01 2026 |
| Forteiland IJmuiden, Duintjes Oost |
| ringed: June 29 2026 |
| Forteiland IJmuiden, Duintjes Oost |
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| Relations: |
| Y.BUF mother 2026 |
| Y.CNM father 2026 |
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| - |
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Herring Gull (argenteus) Y.HFB 1CY, 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.
Ringed as pullus in season 2026 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
below: Herring Gull (argenteus) Y.HFB 1CY, July 23 2026, IJmuiden, the Netherlands. Picture: Folko van den Brink.

below: Herring Gull (argenteus) Y.HFB 1CY, July 10 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.


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