Lokaliteter: Alvøen: 21.04.2020
| Rapportør: | Alvøen skole |
| Observatører: | Frida Bakke Lundemoen |
| Område: | Alvøen () |
| Dato: | 2020-04-21 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Downy Birch (Betula pubescens) | |
| Phenophase: | Leaves unrolling | 21.04.2020 |
| Art: | Colt's-foot (Tussilago farfara) | |
| Phenophase: | Flowering | 21.04.2020 |
| Art: | Bombus (Bumble-bee) | |
| Phenophase: | Adult | 21.04.2020 |
| Art: | White Wagtail (Motacilla alba) | |
| Phenophase: | Arrival | 21.04.2020 |
| Art: | Gonepteryx rhamni (Brimstone) | |
| Phenophase: | Adult | 21.04.2020 |
| Art: | Formica | |
| Phenophase: | Adult | 21.04.2020 |