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| Reporter: | Ottar Sætre |
| Observers: | Ottar Sætre |
| Site: | Vaksvik () |
| Date: | 2018-05-21 |
| Aktivitet: | Spring phenology |
Funn
| Species: | House Martin (Delichon urbicum) | |
| Comment: | Skal vere observert for seksten dagar sidan. | |
| Phenophase: | Arrival | 21.05.2018 |