Site: Bjørkeng
| Species | Scientific name | 2016 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | ||||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | 1 | 1 | ||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 | |
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Siskin | Spinus spinus | 1 | 1 | |||||
| Mealy Redpoll | Acanthis flammea | 1 | 1 | |||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 1 | ||||
| Mountain hare | Lepus timidus | 1 | ||||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Jay | Garrulus glandarius | 1 | 1 | 1 | ||||
| Eurasian Tree Sparrow | Passer montanus | 1 | ||||||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | 1 | |
| European Goldfinch | Carduelis carduelis | 1 | ||||||
| Long-tailed Tit | Aegithalos caudatus | 1 | 1 | |||||
| Coal Tit | Periparus ater | 1 | 1 | 1 | 1 | 1 | 1 | |
| Common Blackbird | Turdus merula | 1 | 1 | |||||
| Crested Tit | Lophophanes cristatus | 1 |
