Site: Birkeland
| Species | Scientific name | 2015 | 2017 |
|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 |
| House Sparrow | Passer domesticus | 1 | |
| Great Tit | Parus major | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | |
| Eurasian Tree Sparrow | Passer montanus | 1 | |
| Robin | Erithacus rubecula | 1 | 1 |
| Black-billed Magpie | Pica pica | 1 | |
| Nuthatch | Sitta europaea | 1 |
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