Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Graaf Visart (Brugge) | 11 march | Graaf Visart (Brugge) | 11 march | |||||
| 2017 | Graaf Visart (Brugge) | 14 october | Graaf Visart (Brugge) | 16 october | |||||
| 2015 | Graaf Visart (Brugge) | 8 october | Graaf Visart (Brugge) | 8 october | |||||
| 2014 | Graaf Visart (Brugge) | 24 february | Graaf Visart (Brugge) | 30 march | |||||
| 2013 | Graaf Visart (Brugge) | 15 february | Graaf Visart (Brugge) | 11 november | |||||
| 2012 | Graaf Visart (Brugge) | 18 march | Graaf Visart (Brugge) | 11 november | |||||
| 2011 | Graaf Visart (Brugge) | 2 january | Graaf Visart (Brugge) | 2 october | |||||
| 2010 | Graaf Visart (Brugge) | 3 february | Graaf Visart (Brugge) | 25 december | |||||
| 2009 | Graaf Visart (Brugge) | 15 october | Graaf Visart (Brugge) | 18 october | |||||
| 2008 | Graaf Visart (Brugge) | 16 september | Graaf Visart (Brugge) | 8 november | |||||
| 2007 | Graaf Visart (Brugge) | 6 november | Graaf Visart (Brugge) | 6 november | |||||
| 2006 | Graaf Visart (Brugge) | 30 october | Graaf Visart (Brugge) | 30 october |
