Site: 1390 Vollen
| Species | Scientific name | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 1 | |||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | ||||
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | 1 | 1 | 1 | ||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | |||
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | 1 | ||
| Herring Gull | Larus argentatus | 1 | 1 | 1 | 1 | 1 | 1 |
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | 1 | 1 |
| Fieldfare | Turdus pilaris | 1 | |||||
| Northern Goshawk | Accipiter gentilis | 1 | 1 | ||||
| Jackdaw | Corvus monedula | 1 | |||||
| Cat | Felis catus | 1 | 1 | 1 | |||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | 1 |
| Robin | Erithacus rubecula | 1 | 1 | 1 | |||
| Roe Deer | Capreolus capreolus | 1 | 1 | 1 | |||
| Black-billed Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | ||
| Eurasian Sparrowhawk | Accipiter nisus | 1 | 1 | ||||
| European Goldfinch | Carduelis carduelis | 1 | 1 | ||||
| Mallard | Anas platyrhynchos | 1 | |||||
| Coal Tit | Periparus ater | 1 | |||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | 1 | 1 |
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