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| Species | Phenological stage | 2017 | 2020 | 2021 |
|---|---|---|---|---|
| Brambling | Arrival | 30.01 | ||
| Wood Pigeon | Arrival | 28.01 | 27.01 | 22.02 |
| Wood Pigeon | Birds are singing | 28.01 |
| Species | Phenological stage | 2017 | 2020 | 2021 |
|---|---|---|---|---|
| Brambling | Arrival | 30.01 | ||
| Wood Pigeon | Arrival | 28.01 | 27.01 | 22.02 |
| Wood Pigeon | Birds are singing | 28.01 |