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| Species | Phenological stage | 2021 |
|---|---|---|
| Colt's-foot | Flowering | 30.03 |
| Common Crane | Arrival | 30.03 |
| Mallard | Arrival | 03.04 |
| Mute Swan | Arrival | 30.03 |
| Species | Phenological stage | 2021 |
|---|---|---|
| Colt's-foot | Flowering | 30.03 |
| Common Crane | Arrival | 30.03 |
| Mallard | Arrival | 03.04 |
| Mute Swan | Arrival | 30.03 |