Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 31 July | Manton, Rutland (Leics, England) | 24 October | |||||
| 2019 | Manton, Rutland (Leics, England) | 29 July | Manton, Rutland (Leics, England) | 2 December | |||||
| 2018 | Manton, Rutland (Leics, England) | 20 September | Manton, Rutland (Leics, England) | 18 November |
