Krokelvdalen skole
| Species | Scientific name | 2001 | 2007 | 2019 |
|---|---|---|---|---|
| Downy Birch | Betula pubescens | 1 | 1 | 5 |
| Colt's-foot | Tussilago farfara | 1 | 1 | 4 |
| Housefly | Musca domestica | 1 | ||
| Wood Anemone | Anemone nemorosa | 2 | ||
| White Wagtail | Motacilla alba | 3 | ||
| Goat Willow | Salix caprea | 1 | 1 | 5 |
| Snow bunting | Plectrophenax nivalis | 1 | ||
| European Starling | Sturnus vulgaris | 3 | ||
| Eurasian Oystercatcher | Haematopus ostralegus | 1 | 4 | |
| Northern Lapwing | Vanellus vanellus | 1 | 3 | |
| Bumble-bee | Bombus sp. | 1 | 3 | |
| Dandelion | Taraxacum sp. | 1 | ||
| Mosquito | Culicidae indet. | 1 |
