Localities: Seimsvatnet: 04.05.2007
| Reporter: | NOF Hordaland |
| Site: | Seimsvatnet () |
| Date: | 2007-05-04 |
| Activity: | Spring phenology |
Observation
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Phenophase: | Arrival | 28.04.2007 |
| Comments: | Observatør: Oddvar Heggøy |