Site: Vollen
| Species | Scientific name | 2019 |
|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 |
| Eurasian Red Squirrel | Sciurus vulgaris | 1 |
| Great Spotted Woodpecker | Dendrocopos major | 1 |
| Jackdaw | Corvus monedula | 1 |
| Great Tit | Parus major | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 |
| Robin | Erithacus rubecula | 1 |
| Black-billed Magpie | Pica pica | 1 |
| Nuthatch | Sitta europaea | 1 |
| Mallard | Anas platyrhynchos | 1 |
| Common Blackbird | Turdus merula | 1 |
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