Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | Graaf Visart (Brugge) | 14 October | Graaf Visart (Brugge) | 17 November | |||||
| 2018 | Graaf Visart (Brugge) | 15 November | Graaf Visart (Brugge) | 15 November | |||||
| 2014 | Graaf Visart (Brugge) | 31 October | Graaf Visart (Brugge) | 22 November | |||||
| 2013 | Graaf Visart (Brugge) | 15 November | Graaf Visart (Brugge) | 15 November | |||||
| 2012 | Graaf Visart (Brugge) | 28 September | Graaf Visart (Brugge) | 22 October | |||||
| 2011 | Graaf Visart (Brugge) | 28 September | Graaf Visart (Brugge) | 31 October | |||||
| 2010 | Graaf Visart (Brugge) | 16 November | Graaf Visart (Brugge) | 16 November |
