Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Gebrande Kamp, Middelaar | 24 August | Gebrande Kamp, Middelaar | 23 October | |||||
| 2021 | Gebrande Kamp, Middelaar | 16 July | Gebrande Kamp, Middelaar | 18 October | |||||
| 2020 | Gebrande Kamp, Middelaar | 11 July | Gebrande Kamp, Middelaar | 11 July | |||||
| 2019 | Gebrande Kamp, Middelaar | 3 July | Gebrande Kamp, Middelaar | 14 October | |||||
| 2018 | Gebrande Kamp, Middelaar | 13 October | Gebrande Kamp, Middelaar | 13 October |
