Orstad skule
| Species | Scientific name | 2003 | 2019 | 2020 |
|---|---|---|---|---|
| Marsh-marigold | Caltha palustris | 1 | ||
| Downy Birch | Betula pubescens | 1 | ||
| Brambling | Fringilla montifringilla | 1 | ||
| Blue Tit | Cyanistes caeruleus | 1 | ||
| Liverleaf (Blue anemone) | Hepatica nobilis | 1 | ||
| Chaffinch | Fringilla coelebs | 1 | 1 | |
| Willow Tit | Poecile montanus | 1 | ||
| House Sparrow | Passer domesticus | 1 | ||
| Fieldfare | Turdus pilaris | 1 | ||
| Yellowhammer | Emberiza citrinella | 1 | ||
| Gyvel | Cytisus scoparius | 1 | ||
| Hagelupin | Lupinus polyphyllus | 2 | ||
| Common Hazel | Corylus avellana | 1 | ||
| European Bird Cherry | Prunus padus | 1 | ||
| Colt's-foot | Tussilago farfara | 1 | ||
| Wood Anemone | Anemone nemorosa | 1 | ||
| Jackdaw | Corvus monedula | 1 | ||
| Great Tit | Parus major | 1 | ||
| Rook | Corvus frugilegus | 1 | ||
| Hooded Crow | Corvus cornix | 1 | ||
| White Wagtail | Motacilla alba | 1 | ||
| Eurasian Tree Sparrow | Passer montanus | 1 | ||
| Rowan | Sorbus aucuparia | 1 | ||
| Robin | Erithacus rubecula | 1 | ||
| Redwing | Turdus iliacus | 1 | ||
| Skylark | Alauda arvensis | 1 | ||
| Goat Willow | Salix caprea | 2 | ||
| Black-billed Magpie | Pica pica | 1 | ||
| European Starling | Sturnus vulgaris | 1 | ||
| Pied Flycatcher | Ficedula hypoleuca | 1 | ||
| Coal Tit | Periparus ater | 1 | ||
| Common Blackbird | Turdus merula | 1 | 1 | |
| Eurasian Oystercatcher | Haematopus ostralegus | 1 | ||
| Eurasian Collared Dove | Streptopelia decaocto | 1 | ||
| Northern Lapwing | Vanellus vanellus | 1 | ||
| Dandelion | Taraxacum sp. | 1 | ||
| Alder | Alnus sp. | 2 |
Sustain.no is provided by the Norwegian Centre for Science Education