Localities: Rena og omegn: 19.03.2021
| Reporter: | Åsmund Berg |
| Observers: | Åsmund Berg |
| Site: | Rena og omegn () |
| Date: | 2021-03-19 |
| Activity: | Spring phenology |
Observation
| Species: | Whooper Swan (Cygnus cygnus) | |
| Phenophase: | Birds are singing | 18.03.2021 |
| Reporter: | Åsmund Berg |
| Observers: | Åsmund Berg |
| Site: | Rena og omegn () |
| Date: | 2021-03-19 |
| Activity: | Spring phenology |
| Species: | Whooper Swan (Cygnus cygnus) | |
| Phenophase: | Birds are singing | 18.03.2021 |