Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Terschelling, Paal 18 | 11 October | Terschelling, Paal 18 | 17 October | |||||
| 2019 | Terschelling, Paal 18 | 15 October | Terschelling, Paal 18 | 20 October | |||||
| 2017 | Terschelling, Paal 18 | 25 October | Terschelling, Paal 18 | 26 October | |||||
| 2016 | Terschelling, Paal 18 | 10 October | Terschelling, Paal 18 | 10 October | |||||
| 2014 | Terschelling, Paal 18 | 15 October | Terschelling, Paal 18 | 15 October | |||||
| 2010 | Terschelling, Paal 18 | 24 October | Terschelling, Paal 18 | 28 October | |||||
| 2007 | Terschelling, Paal 18 | 10 October | Terschelling, Paal 18 | 10 October |
