Site: Birkeland 4485 Feda
| Species | Scientific name | 2017 | 2020 |
|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | |
| Willow Tit | Poecile montanus | 1 | |
| Great Tit | Parus major | 1 | 1 |
| Marsh Tit | Poecile palustris | 1 | |
| Eurasian Jay | Garrulus glandarius | 1 | |
| Nuthatch | Sitta europaea | 1 | |
| Coal Tit | Periparus ater | 1 |
Sustain.no is provided by the Norwegian Centre for Science Education