Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton/Martinsthorpe, Rutland (Leics, England) | 3 August | Manton/Martinsthorpe, Rutland (Leics, England) | 7 October | |||||
| 2019 | Manton/Martinsthorpe, Rutland (Leics, England) | 26 September | Manton/Martinsthorpe, Rutland (Leics, England) | 26 September |
