Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Graaf Visart (Brugge) | 11 April | Graaf Visart (Brugge) | 14 August | |||||
| 2021 | Graaf Visart (Brugge) | 7 February | Graaf Visart (Brugge) | 12 November | |||||
| 2020 | Graaf Visart (Brugge) | 14 March | Graaf Visart (Brugge) | 10 November | |||||
| 2019 | Graaf Visart (Brugge) | 23 January | Graaf Visart (Brugge) | 17 November | |||||
| 2018 | Graaf Visart (Brugge) | 14 March | Graaf Visart (Brugge) | 24 November | |||||
| 2017 | Graaf Visart (Brugge) | 11 March | Graaf Visart (Brugge) | 14 December | |||||
| 2016 | Graaf Visart (Brugge) | 10 March | Graaf Visart (Brugge) | 16 October | |||||
| 2015 | Graaf Visart (Brugge) | 27 February | Graaf Visart (Brugge) | 9 October | |||||
| 2014 | Graaf Visart (Brugge) | 26 February | Graaf Visart (Brugge) | 22 November | |||||
| 2013 | Graaf Visart (Brugge) | 16 January | Graaf Visart (Brugge) | 20 November | |||||
| 2012 | Graaf Visart (Brugge) | 1 February | Graaf Visart (Brugge) | 11 December | |||||
| 2011 | Graaf Visart (Brugge) | 4 January | Graaf Visart (Brugge) | 20 November | |||||
| 2010 | Graaf Visart (Brugge) | 5 January | Graaf Visart (Brugge) | 31 December | |||||
| 2009 | Graaf Visart (Brugge) | 20 February | Graaf Visart (Brugge) | 22 December | |||||
| 2008 | Graaf Visart (Brugge) | 16 March | Graaf Visart (Brugge) | 12 November | |||||
| 2007 | Graaf Visart (Brugge) | 2 April | Graaf Visart (Brugge) | 7 October | |||||
| 2006 | Graaf Visart (Brugge) | 17 November | Graaf Visart (Brugge) | 17 November |
