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| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2022-04-19 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Chiffchaff (Phylloscopus collybita) | |
| Phenophase: | Arrival | 17.04.2022 |
| Art: | Chiffchaff (Phylloscopus collybita) | |
| Phenophase: | Birds are singing | 17.04.2022 |