Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Graaf Visart (Brugge) | 27 March | Graaf Visart (Brugge) | 4 November | |||||
| 2019 | Graaf Visart (Brugge) | 21 April | Graaf Visart (Brugge) | 21 April | |||||
| 2018 | Graaf Visart (Brugge) | 15 October | Graaf Visart (Brugge) | 2 November | |||||
| 2017 | Graaf Visart (Brugge) | 22 November | Graaf Visart (Brugge) | 22 November | |||||
| 2008 | Graaf Visart (Brugge) | 15 March | Graaf Visart (Brugge) | 16 March |
