Erik Trettebergstuen
| Species | Scientific name | 2013 |
|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 |
| European Greenfinch | Carduelis chloris | 1 |
| House Sparrow | Passer domesticus | 1 |
| Yellowhammer | Emberiza citrinella | 1 |
| Cat | Felis catus | 1 |
| Great Tit | Parus major | 1 |
| Black-billed Magpie | Pica pica | 1 |
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