Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Manton/Martinsthorpe, Rutland (Leics, England) | 13 February | Manton/Martinsthorpe, Rutland (Leics, England) | 13 February | |||||
| 2021 | Manton/Martinsthorpe, Rutland (Leics, England) | 25 January | Manton/Martinsthorpe, Rutland (Leics, England) | 5 November | |||||
| 2018 | Manton/Martinsthorpe, Rutland (Leics, England) | 18 November | Manton/Martinsthorpe, Rutland (Leics, England) | 18 November |
