Show results
| Species | Phenological stage | 2023 |
|---|---|---|
| Barn Swallow | Arrival | 03.05 |
| Barn Swallow | Birds are singing | 03.05 |
| Barn Swallow | Nest building | 03.05 |
| House Martin | Arrival | 03.05 |
| House Martin | Birds are singing | 03.05 |
| House Martin | Nest building | 03.05 |
| Species | Phenological stage | 2023 |
|---|---|---|
| Barn Swallow | Arrival | 03.05 |
| Barn Swallow | Birds are singing | 03.05 |
| Barn Swallow | Nest building | 03.05 |
| House Martin | Arrival | 03.05 |
| House Martin | Birds are singing | 03.05 |
| House Martin | Nest building | 03.05 |