Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 |  |
VRS Klarenbeek | 27 march | |
VRS Klarenbeek | 22 august | |||
| 2019 | |
VRS Klarenbeek | 20 april | |
VRS Klarenbeek | 10 october | |||
| 2018 | |
VRS Klarenbeek | 17 april | |
VRS Klarenbeek | 25 october | |||
| 2017 | |
VRS Klarenbeek | 3 march | |
VRS Klarenbeek | 7 october | |||
| 2016 | |
VRS Klarenbeek | 27 february | |
VRS Klarenbeek | 25 november | |||
| 2015 | |
VRS Klarenbeek | 14 april | |
VRS Klarenbeek | 23 november | |||
| 2014 | |
VRS Klarenbeek | 4 april | |
VRS Klarenbeek | 14 november | |||
| 2013 | |
VRS Klarenbeek | 4 january | |
VRS Klarenbeek | 7 december | |||
| 2012 | |
VRS Klarenbeek | 15 march | |
VRS Klarenbeek | 26 november |
