Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 6 February | Manton, Rutland (Leics, England) | 4 November | |||||
| 2019 | Manton, Rutland (Leics, England) | 21 February | Manton, Rutland (Leics, England) | 29 July | |||||
| 2018 | Manton, Rutland (Leics, England) | 20 October | Manton, Rutland (Leics, England) | 24 November |
