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| Rapportør: | Eva Blom-Bakke |
| Observatører: | Eva Blom-Bakke |
| Site: | Jacob Aalls gt. Oslo () |
| Date: | 2025-04-17 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Robin (Erithacus rubecula) | |
| Phenophase: | Arrival | 25.03.2025 |
| Art: | Robin (Erithacus rubecula) | |
| Phenophase: | Birds are singing | 25.03.2025 |