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| Rapportør: | Lars Bleken |
| Observatører: | Lars Bleken |
| Site: | Gullerudvika () |
| Date: | 2012-03-16 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Mute Swan (Cygnus olor) | |
| Phenophase: | Arrival | 15.03.2012 |
| Art: | Whooper Swan (Cygnus cygnus) | |
| Phenophase: | Arrival | 16.03.2012 |
| Art: | Tufted Duck (Aythya fuligula) | |
| Phenophase: | Arrival | 16.03.2012 |