Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 11 July | Manton, Rutland (Leics, England) | 5 October | |||||
| 2019 | Manton, Rutland (Leics, England) | 10 April | Manton, Rutland (Leics, England) | 28 September | |||||
| 2018 | Manton, Rutland (Leics, England) | 19 September | Manton, Rutland (Leics, England) | 28 September |
