Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 9 October | Manton, Rutland (Leics, England) | 25 October | |||||
| 2019 | Manton, Rutland (Leics, England) | 24 January | Manton, Rutland (Leics, England) | 24 January | |||||
| 2018 | Manton, Rutland (Leics, England) | 25 October | Manton, Rutland (Leics, England) | 25 October |
