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| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2025-04-22 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Badger (Meles meles) | |
| Phenophase: | Første observasjon | 15.04.2025 |
| Art: | Northern Goshawk (Accipiter gentilis) | |
| Phenophase: | Arrival | 16.04.2025 |
| Art: | Black Grouse (Tetrao tetrix) | |
| Phenophase: | Arrival | 16.04.2025 |
| Art: | Black Grouse (Tetrao tetrix) | |
| Phenophase: | Birds are singing | 16.04.2025 |
| Art: | Skogmaur (Formica) | |
| Phenophase: | Adult | 15.04.2025 |
| Art: | Mosquito (Culicidae) | |
| Phenophase: | Adult | 15.04.2025 |
| Art: | Stikkeveps (Vespidae) | |
| Phenophase: | Adult | 17.04.2025 |
| Art: | Black-throated Diver (Gavia arctica) | |
| Phenophase: | Arrival | 16.04.2025 |
| Art: | Black-throated Diver (Gavia arctica) | |
| Phenophase: | Birds are singing | 16.04.2025 |
| Art: | Camberwell Beauty (Nymphalis antiopa) | |
| Phenophase: | Adult | 15.04.2025 |
| Art: | Vannløpere (Gerridae) | |
| Phenophase: | Adult | 18.04.2025 |