Skjerping skule
| Species | Scientific name | 2001 | 2007 |
|---|---|---|---|
| Downy Birch | Betula pubescens | 2 | 1 |
| Chaffinch | Fringilla coelebs | 1 | |
| Fieldfare | Turdus pilaris | 1 | |
| European Bird Cherry | Prunus padus | 1 | |
| Colt's-foot | Tussilago farfara | 1 | 1 |
| Wood Anemone | Anemone nemorosa | 1 | |
| White Wagtail | Motacilla alba | 1 | 1 |
| Goat Willow | Salix caprea | 2 | 1 |
| European Starling | Sturnus vulgaris | 1 | |
| Pied Flycatcher | Ficedula hypoleuca | 1 | |
| Common Blackbird | Turdus merula | 1 | |
| Eurasian Oystercatcher | Haematopus ostralegus | 1 | |
| Northern Lapwing | Vanellus vanellus | 1 | |
| Alpine Penny-cress | Noccaea caerulescens | 1 | |
| Bumble-bee | Bombus sp. | 1 | |
| Dandelion | Taraxacum sp. | 1 | |
| Alder | Alnus sp. | 1 |
Sustain.no is provided by the Norwegian Centre for Science Education