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| Species | Phenological stage | 2004 | 2007 |
|---|---|---|---|
| Goldcrest | Arrival | 22.04 | |
| Grey Heron | Arrival | 19.04 | |
| Pied Flycatcher | Arrival | 06.05 | |
| Willow Warbler | Arrival | 06.05 |
| Species | Phenological stage | 2004 | 2007 |
|---|---|---|---|
| Goldcrest | Arrival | 22.04 | |
| Grey Heron | Arrival | 19.04 | |
| Pied Flycatcher | Arrival | 06.05 | |
| Willow Warbler | Arrival | 06.05 |