Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Gebrande Kamp, Middelaar | 27 September | Gebrande Kamp, Middelaar | 27 September | |||||
| 2019 | Gebrande Kamp, Middelaar | 21 October | Gebrande Kamp, Middelaar | 21 October | |||||
| 2009 | Gebrande Kamp, Middelaar | 29 August | Gebrande Kamp, Middelaar | 29 August | |||||
| 2008 | Gebrande Kamp, Middelaar | 11 October | Gebrande Kamp, Middelaar | 11 October |
