Localities: Halden: 19.04.2017
| Reporter: | Annika Nilsen |
| Observers: | Annika Nilsen |
| Site: | Halden () |
| Date: | 2017-04-19 |
| Activity: | Spring phenology |
Observation
| Species: | Liverleaf (Blue anemone) (Hepatica nobilis) | |
| Phenophase: | Flowering | 15.04.2017 |
| Species: | Eurasian Siskin (Carduelis spinus) | |
| Phenophase: | Arrival | 29.03.2017 |
| Species: | Colt's-foot (Tussilago farfara) | |
| Phenophase: | Flowering | 08.04.2017 |
| Species: | Wood Anemone (Anemone nemorosa) | |
| Phenophase: | Flowering | 10.04.2017 |
| Species: | White Wagtail (Motacilla alba) | |
| Phenophase: | Arrival | 12.04.2017 |