Localities: Østensjø: 14.05.2013
| Reporter: | odd audun granaas |
| Observers: | odd audun granaas |
| Site: | Østensjø () |
| Date: | 2013-05-14 |
| Activity: | Spring phenology |
Observation
| Species: | Eurasian Wigeon (Anas penelope) | |
| Phenophase: | Arrival | 12.05.2013 |
| Species: | Willow Warbler (Phylloscopus trochilus) | |
| Phenophase: | Arrival | 12.05.2013 |
| Species: | Great Crested Grebe (Podiceps cristatus) | |
| Phenophase: | Arrival | 12.05.2013 |
| Species: | Common Swift (Apus apus) | |
| Phenophase: | Arrival | 12.05.2013 |