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| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2021-02-28 |
| Aktivitet: | Spring phenology |
Funn
| Art: | European Greenfinch (Chloris chloris) | |
| Phenophase: | Arrival | 28.02.2021 |
| Art: | European Greenfinch (Chloris chloris) | |
| Phenophase: | Birds are singing | 28.02.2021 |