Thor Olsen
| Species | Scientific name | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | |||||||
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Eurasian Siskin | Carduelis spinus | 1 | 1 | 1 | 1 | ||||
| Mealy Redpoll | Carduelis flammea | 1 | |||||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | |||||||
| Eurasian Jay | Garrulus glandarius | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | |||||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | |||||||
| Coal Tit | Periparus ater | 1 | 1 | 1 | 1 | 1 | |||
| Crested Tit | Lophophanes cristatus | 1 | 1 |
