Localities: Sætermo: 10.05.2023
| Reporter: | Rolf Lennart Sætermo |
| Observers: | Rolf Lennart Sætermo |
| Site: | Sætermo () |
| Date: | 2023-05-10 |
| Activity: | Spring phenology |
Observation
| Species: | Barn Swallow (Hirundo rustica) | |
| Phenophase: | Arrival | 10.05.2023 |
| Species: | Barn Swallow (Hirundo rustica) | |
| Phenophase: | Birds are singing | 10.05.2023 |