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| Species | Phenological stage | 2018 | 2019 |
|---|---|---|---|
| Black-headed Gull | Arrival | 19.03 | |
| White Wagtail | Arrival | 15.04 | |
| White Wagtail | Birds are singing | 15.04 |
| Species | Phenological stage | 2018 | 2019 |
|---|---|---|---|
| Black-headed Gull | Arrival | 19.03 | |
| White Wagtail | Arrival | 15.04 | |
| White Wagtail | Birds are singing | 15.04 |