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| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2025-04-14 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Grey Heron (Ardea cinerea) | |
| Phenophase: | Arrival | 13.04.2025 |
| Art: | Grey Heron (Ardea cinerea) | |
| Merknad: | Sang og sang fru blom | |
| Phenophase: | Birds are singing | 13.04.2025 |
| Art: | Brimstone (Gonepteryx rhamni) | |
| Phenophase: | Adult | 14.04.2025 |
| Art: | Eurasian Oystercatcher (Haematopus ostralegus) | |
| Phenophase: | Arrival | 12.04.2025 |
| Art: | Eurasian Oystercatcher (Haematopus ostralegus) | |
| Phenophase: | Birds are singing | 12.04.2025 |
| Art: | Grey Wagtail (Motacilla cinerea) | |
| Phenophase: | Arrival | 14.04.2025 |