Site: Holsen
| Species | Scientific name | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | 1 | |||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 1 | 1 | 1 | ||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | |||||
| Winter Wren | Troglodytes troglodytes | 1 | ||||||
| Willow Tit | Poecile montanus | 1 | 1 | |||||
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | ||||
| Eurasian Siskin | Carduelis spinus | 1 | 1 | |||||
| Mealy Redpoll | Carduelis flammea | 1 | 1 | |||||
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | 1 | 1 | |
| Fieldfare | Turdus pilaris | 1 | ||||||
| Canada Goose | Branta canadensis | 1 | ||||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | ||
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | 1 | |
| Redwing | Turdus iliacus | 1 | ||||||
| Whooper Swan | Cygnus cygnus | 1 | 1 | |||||
| Black-billed Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| European Goldfinch | Carduelis carduelis | 1 | ||||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Oystercatcher | Haematopus ostralegus | 1 |
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