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| Rapportør: | Ottar Sætre |
| Observatører: | Ottar Sætre |
| Site: | Tresfjord () |
| Date: | 2024-05-21 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Arrival | 20.05.2024 |
| Art: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Birds are singing | 20.05.2024 |