Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 |  |
VRS Klarenbeek | 19 April | |
VRS Klarenbeek | 19 April | |||
| 2021 | |
VRS Klarenbeek | 21 April | |
VRS Klarenbeek | 18 October | |||
| 2020 | |
VRS Klarenbeek | 27 March | |
VRS Klarenbeek | 24 July | |||
| 2019 | |
VRS Klarenbeek | 1 May | |
VRS Klarenbeek | 20 August | |||
| 2018 | |
VRS Klarenbeek | 17 April | |
VRS Klarenbeek | 25 October | |||
| 2017 | |
VRS Klarenbeek | 2 April | |
VRS Klarenbeek | 7 October | |||
| 2016 | |
VRS Klarenbeek | 27 February | |
VRS Klarenbeek | 6 May | |||
| 2015 | |
VRS Klarenbeek | 14 April | |
VRS Klarenbeek | 5 November | |||
| 2014 | |
VRS Klarenbeek | 10 April | |
VRS Klarenbeek | 19 October | |||
| 2013 | |
VRS Klarenbeek | 19 June | |
VRS Klarenbeek | 19 June | |||
| 2012 | |
VRS Klarenbeek | 15 March | |
VRS Klarenbeek | 26 November |
