Localities: Bjørkelangen: 31.01.2017
| Reporter: | Per Torgersen |
| Observers: | Per Torgersen |
| Site: | Bjørkelangen () |
| Date: | 2017-01-31 |
| Activity: | Spring phenology |
Observation
| Species: | Great Tit (Parus major) | |
| Phenophase: | Birds are singing | 31.01.2017 |
| Species: | Whooper Swan (Cygnus cygnus) | |
| Phenophase: | Arrival | 20.01.2017 |
| Species: | Nuthatch (Sitta europaea) | |
| Phenophase: | Arrival | 31.01.2017 |