Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2023 |  |
VRS Klarenbeek | 7 April | |
VRS Klarenbeek | 31 May | |||
| 2021 | |
VRS Klarenbeek | 19 July | |
VRS Klarenbeek | 11 August | |||
| 2020 | |
VRS Klarenbeek | 24 April | |
VRS Klarenbeek | 24 July | |||
| 2019 | |
VRS Klarenbeek | 7 May | |
VRS Klarenbeek | 21 June | |||
| 2018 | |
VRS Klarenbeek | 17 April | |
VRS Klarenbeek | 14 July | |||
| 2017 | |
VRS Klarenbeek | 12 May | |
VRS Klarenbeek | 27 June | |||
| 2016 | |
VRS Klarenbeek | 22 April | |
VRS Klarenbeek | 18 May | |||
| 2015 | |
VRS Klarenbeek | 14 April | |
VRS Klarenbeek | 5 June | |||
| 2014 | |
VRS Klarenbeek | 24 April | |
VRS Klarenbeek | 24 July | |||
| 2013 | |
VRS Klarenbeek | 9 June | |
VRS Klarenbeek | 19 July |
