Localities: Alvøen: 21.04.2020
| Reporter: | Alvøen skole |
| Observers: | Benjamin Hansen |
| Site: | Alvøen () |
| Date: | 2020-04-21 |
| Activity: | Spring phenology |
Observation
| Species: | Downy Birch (Betula pubescens) | |
| Phenophase: | Leaves unrolling | 21.04.2020 |
| Species: | Greylag Goose (Anser anser) | |
| Phenophase: | Arrival | 21.04.2020 |
| Species: | Colt's-foot (Tussilago farfara) | |
| Phenophase: | Flowering | 21.04.2020 |
| Species: | Bombus (Bumble-bee) | |
| Phenophase: | Adult | 21.04.2020 |
| Species: | Wood Anemone (Anemone nemorosa) | |
| Phenophase: | Flowering | 21.04.2020 |
| Species: | Goat Willow (Salix caprea) | |
| Phenophase: | Pussy willows | 21.04.2020 |
| Species: | Formica (Ant) | |
| Phenophase: | Adult | 21.04.2020 |
| Species: | Eurasian Oystercatcher (Haematopus ostralegus) | |
| Phenophase: | Nest building | 21.04.2020 |