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| Rapportør: | Odd Magne Berge Iversen |
| Observatører: | Odd Magne Berge Iversen |
| Site: | Vervik () |
| Date: | 2023-05-07 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Pied Flycatcher (Ficedula hypoleuca) | |
| Phenophase: | Arrival | 04.05.2023 |
| Art: | Pied Flycatcher (Ficedula hypoleuca) | |
| Phenophase: | Birds are singing | 04.05.2023 |