Site: Vollen
| Species | Scientific name | 2010 | 2013 | 2014 |
|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | |
| Great Spotted Woodpecker | Dendrocopos major | 1 | ||
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 |
| Mealy Redpoll | Carduelis flammea | 1 | 1 | |
| Hawfinch | Coccothraustes coccothraustes | 1 | ||
| Great Tit | Parus major | 1 | 1 | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 |
| Robin | Erithacus rubecula | 1 | ||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | 1 | 1 |
| Common Blackbird | Turdus merula | 1 | 1 | 1 |
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