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| Rapportør: | Jostein Tjelta |
| Observatører: | Jostein Tjelta |
| Site: | Marvik () |
| Date: | 2017-04-12 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Grey Wagtail (Motacilla cinerea) | |
| Phenophase: | Arrival | 12.04.2017 |
| Art: | Grey Wagtail (Motacilla cinerea) | |
| Phenophase: | Nest building | 12.04.2017 |