Site: Heisholt, Ulefoss
| Species | Scientific name | 1989 | 2015 | 2017 | 2018 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | 1 | ||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 1 | |||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 | 1 | 1 |
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 |
| Willow Tit | Poecile montanus | 1 | 1 | ||||
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | 1 | ||
| Eurasian Siskin | Carduelis spinus | 1 | 1 | 1 | 1 | 1 | |
| Mealy Redpoll | Carduelis flammea | 1 | 1 | 1 | |||
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | ||
| Yellowhammer | Emberiza citrinella | 1 | 1 | ||||
| Canada Goose | Branta canadensis | 1 | |||||
| Cat | Felis catus | 1 | 1 | 1 | 1 | ||
| Hawfinch | Coccothraustes coccothraustes | 1 | 1 | ||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 |
| Marsh Tit | Poecile palustris | 1 | |||||
| Eurasian Jay | Garrulus glandarius | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | 1 |
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | |
| Black-billed Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | |||||
| European Goldfinch | Carduelis carduelis | 1 | 1 | 1 | 1 | ||
| Long-tailed Tit | Aegithalos caudatus | 1 | |||||
| European Starling | Sturnus vulgaris | 1 | |||||
| Coal Tit | Periparus ater | 1 | 1 | 1 | |||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | |||
| Eurasian Treecreeper | Certhia familiaris | 1 | 1 | 1 |
Sustain.no is provided by the Norwegian Centre for Science Education