Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton/Martinsthorpe, Rutland (Leics, England) | 20 November | Manton/Martinsthorpe, Rutland (Leics, England) | 20 November | |||||
| 2019 | Manton/Martinsthorpe, Rutland (Leics, England) | 11 February | Manton/Martinsthorpe, Rutland (Leics, England) | 29 March |
