Localities: Vervik: 17.05.2020
| Reporter: | Odd Magne Berge Iversen |
| Observers: | Odd Magne Berge Iversen |
| Site: | Vervik () |
| Date: | 2020-05-17 |
| Activity: | Spring phenology |
Observation
| Species: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Arrival | 15.05.2020 |
| Species: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Birds are singing | 15.05.2020 |