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| Rapportør: | Heikki Fjelldal |
| Observatører: | Heikki Fjelldal |
| Site: | Heer () |
| Date: | 2024-03-31 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Winter Wren (Troglodytes troglodytes) | |
| Phenophase: | Birds are singing | 31.03.2024 |
| Art: | Song Thrush (Turdus philomelos) | |
| Phenophase: | Birds are singing | 31.03.2024 |
| Art: | Redwing (Turdus iliacus) | |
| Phenophase: | Birds are singing | 31.03.2024 |