Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 |  |
VRS Klarenbeek | 15 may | |
VRS Klarenbeek | 24 july | |||
| 2019 | |
VRS Klarenbeek | 7 may | |
VRS Klarenbeek | 5 july | |||
| 2018 | |
VRS Klarenbeek | 17 april | |
VRS Klarenbeek | 25 may | |||
| 2017 | |
VRS Klarenbeek | 28 april | |
VRS Klarenbeek | 7 august | |||
| 2016 | |
VRS Klarenbeek | 27 february | |
VRS Klarenbeek | 12 august | |||
| 2015 | |
VRS Klarenbeek | 29 may | |
VRS Klarenbeek | 30 october | |||
| 2014 | |
VRS Klarenbeek | 23 may | |
VRS Klarenbeek | 2 november | |||
| 2013 | |
VRS Klarenbeek | 15 september | |
VRS Klarenbeek | 25 october | |||
| 2012 | |
VRS Klarenbeek | 21 october | |
VRS Klarenbeek | 26 november |
