IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.HVX |
| NLA 5.651.469 |
| Lesser B-backed Gull |
| female, adult |
| ringed: March 29 2026 |
| Leiden - Componistenwijk |
| Relations: |
| - |
Lesser Black-backed Gull (graellsii) Y.HVX adult, March 29 2026, Leiden, the Netherlands. Picture: Thijs Horst & Mars Muusse.
HPAIV-H5N1 monitoring for Vogeltrekstation Arnhem. Trapped near rooftop breeding colony at flats and apartments in the city of Leiden.
below: Lesser Black-backed Gull (graellsii) Y.HVX >4CY, March 29 2026, Leiden, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| wing | tarsus | head-bill | bill | gonys | mass | swab code |
| 396 | 63,3 | 108,7 | 45,7 | 16,5 | 577 | 26B02096 |
