Site: Grefsen/Kjelsås
| Species | Scientific name | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
|---|---|---|---|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | |||||
| House Sparrow | Passer domesticus | 1 | |||||||
| Great Tit | Parus major | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | 1 | ||||||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 2 | 1 | ||||
| Robin | Erithacus rubecula | 2 | |||||||
| Redwing | Turdus iliacus | 1 | 2 | ||||||
| Eurasian Magpie | Pica pica | 2 | 1 | 1 | 1 | 2 | 1 | 1 | |
| Common Blackbird | Turdus merula | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 |
Sustain.no is provided by the Norwegian Centre for Science Education