Localities: Sætermo: 29.05.2023
| Reporter: | Rolf Lennart Sætermo |
| Observers: | Rolf Lennart Sætermo |
| Site: | Sætermo () |
| Date: | 2023-05-29 |
| Activity: | Spring phenology |
Observation
| Species: | Garden Warbler (Sylvia borin) | |
| Phenophase: | Arrival | 28.05.2023 |
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Phenophase: | Arrival | 28.05.2023 |