IJmuiden Project - Fred Cottaar ringing team
(last update: April 01, 2026)
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| Y.HVC |
| NLA 5.651.453 |
| Lesser B-backed Gull |
| male, adult |
| ringed: March 15 2026 |
| Katwijk Industrieterrein t Heen |
| Relations: |
| - |
Lesser Black-backed Gull (graellsii) Y.HVC adult, March 15 2026, Katwijk, the Netherlands. Picture: Thijs Horst & Mars Muusse.
HPAIV-H5N1 monitoring for Vogeltrekstation Arnhem. Trapped near rooftop breeding colony at industrial estate "t Heen - Katwijk".
below: Lesser Black-backed Gull (graellsii) Y.HVC >4CY, March 15 2026, Katwijk, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| wing | tarsus | head-bill | bill | gonys | grey tone | mass | swab code |
| 417 | 66,1 | 121,4 | 51,4 | 17,0 | 9,5 | 781 | 26B02058 |
