Site: Opsalen
| Species | Scientific name | 2014 | 2015 | 2016 | 2018 | 2019 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|
| Twite | Carduelis flavirostris | 1 | ||||||||
| Brambling | Fringilla montifringilla | 1 | 1 | 1 | 1 | 1 | ||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 1 | 1 | |||||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Winter Wren | Troglodytes troglodytes | 1 | 1 | 1 | 1 | |||||
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | 1 | 1 | 1 | |||
| Eurasian Siskin | Carduelis spinus | 1 | 1 | 1 | 1 | |||||
| Green Woodpecker | Picus viridis | 1 | ||||||||
| Mealy Redpoll | Carduelis flammea | 1 | 1 | 1 | ||||||
| House Sparrow | Passer domesticus | 1 | 1 | |||||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 1 | 1 | 1 | ||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Marsh Tit | Poecile palustris | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Eurasian Jay | Garrulus glandarius | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Roe Deer | Capreolus capreolus | 1 | 1 | |||||||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | ||||||||
| Long-tailed Tit | Aegithalos caudatus | 1 | 1 | 1 | ||||||
| Coal Tit | Periparus ater | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Treecreeper | Certhia familiaris | 1 | 1 |
