Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Terschelling, Paal 18 | 4 October | Terschelling, Paal 18 | 13 November | |||||
| 2019 | Terschelling, Paal 18 | 12 October | Terschelling, Paal 18 | 20 October | |||||
| 2018 | Terschelling, Paal 18 | 8 October | Terschelling, Paal 18 | 13 November | |||||
| 2017 | Terschelling, Paal 18 | 6 October | Terschelling, Paal 18 | 16 October | |||||
| 2016 | Terschelling, Paal 18 | 2 October | Terschelling, Paal 18 | 16 October | |||||
| 2015 | Terschelling, Paal 18 | 4 October | Terschelling, Paal 18 | 23 October | |||||
| 2014 | Terschelling, Paal 18 | 11 October | Terschelling, Paal 18 | 11 October | |||||
| 2013 | Terschelling, Paal 18 | 21 September | Terschelling, Paal 18 | 21 September | |||||
| 2012 | Terschelling, Paal 18 | 29 September | Terschelling, Paal 18 | 17 November | |||||
| 2011 | Terschelling, Paal 18 | 3 October | Terschelling, Paal 18 | 9 October | |||||
| 2010 | Terschelling, Paal 18 | 11 September | Terschelling, Paal 18 | 18 November | |||||
| 2009 | Terschelling, Paal 18 | 6 October | Terschelling, Paal 18 | 26 October | |||||
| 2008 | Terschelling, Paal 18 | 3 October | Terschelling, Paal 18 | 18 October | |||||
| 2007 | Terschelling, Paal 18 | 9 October | Terschelling, Paal 18 | 11 October | |||||
| 2005 | Terschelling, Paal 18 | 15 October | Terschelling, Paal 18 | 15 October | |||||
| 2004 | Terschelling, Paal 18 | 30 September | Terschelling, Paal 18 | 8 October | |||||
| 2003 | Terschelling, Paal 18 | 30 September | Terschelling, Paal 18 | 10 October | |||||
| 2002 | Terschelling, Paal 18 | 4 October | Terschelling, Paal 18 | 5 October | |||||
| 2001 | Terschelling, Paal 18 | 29 September | Terschelling, Paal 18 | 6 October | |||||
| 2000 | Terschelling, Paal 18 | 27 September | Terschelling, Paal 18 | 13 October | |||||
| 1999 | Terschelling, Paal 18 | 12 October | Terschelling, Paal 18 | 17 October | |||||
| 1998 | Terschelling, Paal 18 | 7 October | Terschelling, Paal 18 | 13 October | |||||
| 1997 | Terschelling, Paal 18 | 5 October | Terschelling, Paal 18 | 16 October | |||||
| 1994 | Terschelling, Paal 18 | 30 September | Terschelling, Paal 18 | 30 September |
