Site: Vollen
| Species | Scientific name | 2019 |
|---|---|---|
| Blue Tit | Cyanistes caeruleus | 2 |
| Great Spotted Woodpecker | Dendrocopos major | 2 |
| European Greenfinch | Chloris chloris | 1 |
| Herring Gull | Larus argentatus | 1 |
| Mealy Redpoll | Acanthis flammea | 1 |
| Yellowhammer | Emberiza citrinella | 2 |
| Northern Goshawk | Accipiter gentilis | 2 |
| Jackdaw | Corvus monedula | 1 |
| Great Tit | Parus major | 2 |
| Hooded Crow | Corvus cornix | 1 |
| Eurasian Tree Sparrow | Passer montanus | 2 |
| Wood Pigeon | Columba palumbus | 1 |
| Robin | Erithacus rubecula | 2 |
| Roe Deer | Capreolus capreolus | 1 |
| Eurasian Magpie | Pica pica | 1 |
| Nuthatch | Sitta europaea | 2 |
| Eurasian Sparrowhawk | Accipiter nisus | 2 |
| Mallard | Anas platyrhynchos | 1 |
| Common Blackbird | Turdus merula | 2 |
