Localities: Sørborg: 30.04.2014
| Reporter: | Frode Falkenberg |
| Observers: | Frode Falkenberg |
| Site: | Sørborg () |
| Date: | 2014-04-30 |
| Activity: | Spring phenology |
Observation
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Comment: | 3 syngende | |
| Phenophase: | Birds are singing | 30.04.2014 |