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| Reporter: | bjørn kristoffersen |
| Observers: | bjørn kristoffersen |
| Site: | bybrua () |
| Date: | 2023-03-26 |
| Aktivitet: | Spring phenology |
| Reporter: | bjørn kristoffersen |
| Observers: | bjørn kristoffersen |
| Site: | bybrua () |
| Date: | 2023-03-26 |
| Aktivitet: | Spring phenology |