Localities: Bjørkelangen: 01.04.2021
| Reporter: | Per Torgersen |
| Observers: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2021-04-01 |
| Activity: | Spring phenology |
Observation
| Species: | Robin (Erithacus rubecula) | |
| Phenophase: | Arrival | 01.04.2021 |
| Species: | Gastrophysa viridula | |
| Phenophase: | Adult | 30.03.2021 |