| Birds (Aves indet.) | | 2020-05-08 | 2020-05-08 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-05-07 | 2020-05-07 | | Skjønhaug (Østfold, Norway) |
| Birds (Aves indet.) | | 2020-05-07 | 2020-05-07 | | Skjønhaug (Østfold, Norway) |
| Birds (Aves indet.) | | 2020-05-07 | 2009-02-23 | | Skjønhaug (Østfold, Norway) |
| Black Woodpecker (Dryocopus martius) | | 2020-05-07 | 2020-05-07 |  | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2020-04-30 | 2020-02-22 | | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2020-04-30 | 2020-01-05 | | Skjønhaug (Østfold, Norway) |
| Colt's-foot (Tussilago farfara) | | 2020-04-30 | 2020-03-15 | | Skjønhaug (Østfold, Norway) |
| Bumble-bee (Bombus sp.) | | 2020-04-30 | 2020-04-03 | | Skjønhaug (Østfold, Norway) |
| Wood Anemone (Anemone nemorosa) | | 2020-04-30 | 2020-02-15 | | Skjønhaug (Østfold, Norway) |
| Stemorsblom (Viola tricolor) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| Colt's-foot (Tussilago farfara) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| Wood Anemone (Anemone nemorosa) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-30 | 2020-04-30 | | Skjønhaug (Østfold, Norway) |
| Liverleaf (Blue anemone) (Hepatica nobilis) | | 2020-04-29 | 2020-04-16 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-29 | 2020-04-27 | | Skjønhaug (Østfold, Norway) |
| Northern Lapwing (Vanellus vanellus) | | 2020-04-29 | 2020-04-06 | | Skjønhaug (Østfold, Norway) |
| Northern Lapwing (Vanellus vanellus) | | 2020-04-29 | 2020-04-09 | | Skjønhaug (Østfold, Norway) |
| Colt's-foot (Tussilago farfara) | | 2020-04-29 | 2020-04-03 | | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2020-04-29 | 2020-04-29 | | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2020-04-29 | 2020-04-20 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-29 | 2020-04-22 | | Skjønhaug (Østfold, Norway) |
| European Starling (Sturnus vulgaris) | | 2020-04-29 | 2020-04-29 | | Skjønhaug (Østfold, Norway) |
| Bumble-bee (Bombus sp.) | | 2020-04-29 | 2020-04-15 | | Skjønhaug (Østfold, Norway) |
| Wood Anemone (Anemone nemorosa) | | 2020-04-29 | 2020-04-16 | | Skjønhaug (Østfold, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-29 | 2020-04-22 | | Skjønhaug (Østfold, Norway) |
| Common Cuckoo (Cuculus canorus) | | 2008-05-07 | 2008-05-05 | | Skjønhaug (Østfold, Norway) |
| Downy Birch (Betula pubescens) | | 2008-04-30 | 2008-04-29 | | Skjønhaug (Østfold, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education