Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Gebrande Kamp, Middelaar | 27 July | Gebrande Kamp, Middelaar | 27 July | |||||
| 2021 | Gebrande Kamp, Middelaar | 22 July | Gebrande Kamp, Middelaar | 2 October | |||||
| 2020 | Gebrande Kamp, Middelaar | 11 July | Gebrande Kamp, Middelaar | 10 October | |||||
| 2019 | Gebrande Kamp, Middelaar | 20 April | Gebrande Kamp, Middelaar | 10 October | |||||
| 2018 | Gebrande Kamp, Middelaar | 30 July | Gebrande Kamp, Middelaar | 2 October | |||||
| 2009 | Gebrande Kamp, Middelaar | 21 August | Gebrande Kamp, Middelaar | 11 September | |||||
| 2008 | Gebrande Kamp, Middelaar | 26 July | Gebrande Kamp, Middelaar | 19 September | |||||
| 2007 | Gebrande Kamp, Middelaar | 3 August | Gebrande Kamp, Middelaar | 28 September | |||||
| 2004 | Gebrande Kamp, Middelaar | 17 April | Gebrande Kamp, Middelaar | 30 April |
