Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Manton/Martinsthorpe, Rutland (Leics, England) | 25 January | Manton/Martinsthorpe, Rutland (Leics, England) | 8 November | |||||
| 2020 | Manton/Martinsthorpe, Rutland (Leics, England) | 6 February | Manton/Martinsthorpe, Rutland (Leics, England) | 5 December | |||||
| 2019 | Manton/Martinsthorpe, Rutland (Leics, England) | 11 February | Manton/Martinsthorpe, Rutland (Leics, England) | 2 December |
