Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 31 july | Manton, Rutland (Leics, England) | 24 october | |||||
| 2019 | Manton, Rutland (Leics, England) | 29 july | Manton, Rutland (Leics, England) | 2 december | |||||
| 2018 | Manton, Rutland (Leics, England) | 20 september | Manton, Rutland (Leics, England) | 18 november |
