Localities: Nordmarka: 29.05.2022
| Reporter: | Hjalmar Larsen |
| Observers: | Hjalmar Larsen |
| Site: | Nordmarka () |
| Date: | 2022-05-29 |
| Activity: | Spring phenology |
Observation
| Species: | Chiffchaff (Phylloscopus collybita) | |
| Comment: | Hørte den | |
| Phenophase: | Arrival | 26.05.2022 |
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Comment: | Hørte den | |
| Phenophase: | Arrival | 26.05.2022 |