IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.HVW |
| NLA 5.651.468 |
| Lesser B-backed Gull |
| female, adult |
| ringed: March 29 2026 |
| Leiden - Componistenwijk |
| Relations: |
| - |
Lesser Black-backed Gull (graellsii) Y.HVW 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.HVW >4CY, March 29 2026, Leiden, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| wing | tarsus | head-bill | bill | gonys | mass | swab code |
| 405 | 63,8 | 110,7 | 49,7 | 17,0 | 547 | 26B02095 |
