Site: Slangen
| Species | Scientific name | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | 1 | 1 | 1 | 1 | ||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 | |
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Mealy Redpoll | Carduelis flammea | 1 | 1 | 1 | ||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Jay | Garrulus glandarius | 1 | 1 | |||||
| Arctic Redpoll | Carduelis hornemanni | 1 | ||||||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | ||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Sparrowhawk | Accipiter nisus | 1 | ||||||
| Coal Tit | Periparus ater | 1 | 1 | 1 | ||||
| Crested Tit | Lophophanes cristatus | 1 | 1 | 1 | 1 | 1 | 1 | |
| Eurasian Treecreeper | Certhia familiaris | 1 | 1 | 1 | 1 | |||
| Three-toed Woodpecker | Picoides tridactylus | 1 |
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