Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 6 August | Manton, Rutland (Leics, England) | 6 October | |||||
| 2019 | Manton, Rutland (Leics, England) | 3 April | Manton, Rutland (Leics, England) | 19 October | |||||
| 2018 | Manton, Rutland (Leics, England) | 19 September | Manton, Rutland (Leics, England) | 9 October |
