Site: Byrkja
| Species | Scientific name | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | 1 | |||||||||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 1 | ||||||||||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | |||||
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | ||||||||||||
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| European Greenfinch | Chloris chloris | 1 | 1 | 1 | 1 | 1 | ||||||||
| Mealy Redpoll | Acanthis flammea | 1 | 1 | |||||||||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| Red Deer | Cervus elaphus | 1 | ||||||||||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Golden Eagle | Aquila chrysaetos | 1 | 1 | 1 | ||||||||||
| Eurasian Jay | Garrulus glandarius | 1 | ||||||||||||
| Common Raven | Corvus corax | 1 | 1 | 1 | ||||||||||
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | ||||||||
| Eurasian Magpie | Pica pica | 1 | 1 | |||||||||||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| European Goldfinch | Carduelis carduelis | 1 | 1 | 1 | 1 | |||||||||
| Coal Tit | Periparus ater | 1 | ||||||||||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | ||||||||||
| Eurasian Treecreeper | Certhia familiaris | 1 |
