Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Graaf Visart (Brugge) | 18 March | Graaf Visart (Brugge) | 8 November | |||||
| 2019 | Graaf Visart (Brugge) | 10 September | Graaf Visart (Brugge) | 14 October | |||||
| 2018 | Graaf Visart (Brugge) | 17 November | Graaf Visart (Brugge) | 17 November | |||||
| 2017 | Graaf Visart (Brugge) | 5 May | Graaf Visart (Brugge) | 5 May | |||||
| 2016 | Graaf Visart (Brugge) | 8 November | Graaf Visart (Brugge) | 8 November | |||||
| 2015 | Graaf Visart (Brugge) | 5 March | Graaf Visart (Brugge) | 2 April | |||||
| 2014 | Graaf Visart (Brugge) | 8 November | Graaf Visart (Brugge) | 9 November | |||||
| 2013 | Graaf Visart (Brugge) | 22 January | Graaf Visart (Brugge) | 8 November | |||||
| 2012 | Graaf Visart (Brugge) | 23 August | Graaf Visart (Brugge) | 23 August | |||||
| 2011 | Graaf Visart (Brugge) | 8 March | Graaf Visart (Brugge) | 22 April | |||||
| 2010 | Graaf Visart (Brugge) | 24 February | Graaf Visart (Brugge) | 25 December | |||||
| 2009 | Graaf Visart (Brugge) | 11 October | Graaf Visart (Brugge) | 20 October | |||||
| 2008 | Graaf Visart (Brugge) | 15 September | Graaf Visart (Brugge) | 25 October | |||||
| 2007 | Graaf Visart (Brugge) | 15 November | Graaf Visart (Brugge) | 15 November | |||||
| 2006 | Graaf Visart (Brugge) | 30 October | Graaf Visart (Brugge) | 30 October |
