Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Gebrande Kamp, Middelaar | 20 September | Gebrande Kamp, Middelaar | 6 November | |||||
| 2020 | Gebrande Kamp, Middelaar | 10 October | Gebrande Kamp, Middelaar | 9 November | |||||
| 2019 | Gebrande Kamp, Middelaar | 21 September | Gebrande Kamp, Middelaar | 9 November | |||||
| 2018 | Gebrande Kamp, Middelaar | 13 October | Gebrande Kamp, Middelaar | 14 November | |||||
| 2009 | Gebrande Kamp, Middelaar | 20 October | Gebrande Kamp, Middelaar | 21 October | |||||
| 2008 | Gebrande Kamp, Middelaar | 13 October | Gebrande Kamp, Middelaar | 3 November | |||||
| 2007 | Gebrande Kamp, Middelaar | 30 October | Gebrande Kamp, Middelaar | 22 November |
