Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Gebrande Kamp, Middelaar | 12 October | Gebrande Kamp, Middelaar | 8 November | |||||
| 2019 | Gebrande Kamp, Middelaar | 11 September | Gebrande Kamp, Middelaar | 4 November | |||||
| 2010 | Gebrande Kamp, Middelaar | 6 October | Gebrande Kamp, Middelaar | 6 October | |||||
| 2009 | Gebrande Kamp, Middelaar | 8 September | Gebrande Kamp, Middelaar | 2 November | |||||
| 2008 | Gebrande Kamp, Middelaar | 9 September | Gebrande Kamp, Middelaar | 17 November | |||||
| 2007 | Gebrande Kamp, Middelaar | 14 September | Gebrande Kamp, Middelaar | 22 November |
