Localities: Grønnlien: 01.05.2010
| Reporter: | Frode Falkenberg |
| Observers: | Frode Falkenberg |
| Site: | Grønnlien () |
| Date: | 2010-05-01 |
| Activity: | Spring phenology |
Observation
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Phenophase: | Arrival | 01.05.2010 |
| Comments: | Syngende |