Site: Os i Halden
| Species | Scientific name | 2012 | 2013 | 2014 | 2019 | 2020 | 2024 |
|---|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 1 | 1 | 1 | 1 | ||
| Brambling | Fringilla montifringilla | 1 | |||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 |
| Lesser Spotted Woodpecker | Dendrocopos minor | 1 | 1 | ||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | |||||
| European Greenfinch | Carduelis chloris | 1 | 1 | ||||
| Mealy Redpoll | Carduelis flammea | 1 | |||||
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | 1 | |
| Fieldfare | Turdus pilaris | 1 | |||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | ||||
| Jackdaw | Corvus monedula | 1 | 1 | 1 | 1 | 1 | 1 |
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | 1 | ||||
| Blackcap | Sylvia atricapilla | 1 | |||||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | |
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | 1 |
| Black-billed Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | ||
| European Goldfinch | Carduelis carduelis | 1 | |||||
| Coal Tit | Periparus ater | 1 | |||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | 1 |
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