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| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2024-04-12 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Chiffchaff (Phylloscopus collybita) | |
| Phenophase: | Arrival | 12.04.2024 |
| Art: | Chiffchaff (Phylloscopus collybita) | |
| Phenophase: | Birds are singing | 12.04.2024 |
| Art: | Common Buzzard (Buteo buteo) | |
| Phenophase: | Arrival | 09.04.2024 |