Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Graaf Visart (Brugge) | 10 April | Graaf Visart (Brugge) | 14 November | |||||
| 2021 | Graaf Visart (Brugge) | 8 February | Graaf Visart (Brugge) | 12 November | |||||
| 2020 | Graaf Visart (Brugge) | 15 March | Graaf Visart (Brugge) | 10 November | |||||
| 2019 | Graaf Visart (Brugge) | 1 April | Graaf Visart (Brugge) | 9 November | |||||
| 2018 | Graaf Visart (Brugge) | 9 March | Graaf Visart (Brugge) | 23 November | |||||
| 2017 | Graaf Visart (Brugge) | 11 March | Graaf Visart (Brugge) | 14 December | |||||
| 2016 | Graaf Visart (Brugge) | 12 March | Graaf Visart (Brugge) | 8 November | |||||
| 2015 | Graaf Visart (Brugge) | 27 February | Graaf Visart (Brugge) | 9 October | |||||
| 2014 | Graaf Visart (Brugge) | 19 February | Graaf Visart (Brugge) | 22 November | |||||
| 2013 | Graaf Visart (Brugge) | 15 January | Graaf Visart (Brugge) | 23 November | |||||
| 2012 | Graaf Visart (Brugge) | 6 February | Graaf Visart (Brugge) | 11 November | |||||
| 2011 | Graaf Visart (Brugge) | 7 March | Graaf Visart (Brugge) | 12 November | |||||
| 2010 | Graaf Visart (Brugge) | 5 January | Graaf Visart (Brugge) | 25 December | |||||
| 2009 | Graaf Visart (Brugge) | 2 April | Graaf Visart (Brugge) | 21 December | |||||
| 2007 | Graaf Visart (Brugge) | 19 April | Graaf Visart (Brugge) | 30 September |
