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| Species | Phenological stage | 2021 |
|---|---|---|
| Common Blackbird | Arrival | 24.03 |
| Common Blackbird | Birds are singing | 24.03 |
| European Starling | Arrival | 08.03 |
| Species | Phenological stage | 2021 |
|---|---|---|
| Common Blackbird | Arrival | 24.03 |
| Common Blackbird | Birds are singing | 24.03 |
| European Starling | Arrival | 08.03 |