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| Rapportør: | Borgen ungdomsskole |
| Observatører: | gabriel |
| Site: | Asker () |
| Date: | 2020-04-03 |
| Aktivitet: | Spring phenology |
Funn
| Art: | European Starling (Sturnus vulgaris) | |
| Phenophase: | Arrival | 03.04.2020 |
| Art: | European Starling (Sturnus vulgaris) | |
| Phenophase: | Birds are singing | 03.04.2020 |
| Art: | European Starling (Sturnus vulgaris) | |
| Phenophase: | Nest building | 03.04.2020 |