Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Manton, Rutland (Leics, England) | 26 february | Manton, Rutland (Leics, England) | 29 september | |||||
| 2019 | Manton, Rutland (Leics, England) | 24 january | Manton, Rutland (Leics, England) | 15 november | |||||
| 2018 | Manton, Rutland (Leics, England) | 19 september | Manton, Rutland (Leics, England) | 3 december |
