Site: Kruk
| Species | Scientific name | 2019 | 2020 | 2021 | 2024 |
|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 |
| Common Crossbill | Loxia curvirostra | 1 | |||
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 |
| Mealy Redpoll | Carduelis flammea | 1 | 1 | ||
| Great Tit | Parus major | 1 | 1 | 1 | |
| Siberian Jay | Perisoreus infaustus | 1 | 1 | ||
| Common Raven | Corvus corax | 1 | 1 | ||
| Black-billed Magpie | Pica pica | 1 | 1 | ||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 |
| Coal Tit | Periparus ater | 1 | 1 | 1 | 1 |
| Crested Tit | Lophophanes cristatus | 1 | 1 | 1 | |
| Eurasian Treecreeper | Certhia familiaris | 1 |
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