Site: Billebakken Terrasse, Halden.
| Species | Scientific name | 2009 | 2010 | 2011 | 2012 | 2013 | 2016 | 2017 | 2018 | 2019 | 2020 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 1 | |||||||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| Eurasian Red Squirrel | Sciurus vulgaris | 1 | 1 | 1 | 1 | ||||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| Willow Tit | Poecile montanus | 1 | 1 | 1 | 1 | 1 | |||||
| Eurasian Siskin | Carduelis spinus | 1 | 1 | 1 | 1 | ||||||
| Mealy Redpoll | Carduelis flammea | 1 | 1 | ||||||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 1 | |||||||
| Cat | Felis catus | 1 | 1 | 1 | 1 | ||||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | |||||||||
| Eurasian Jay | Garrulus glandarius | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wood Pigeon | Columba palumbus | 1 | |||||||||
| Robin | Erithacus rubecula | 1 | 1 | 1 | |||||||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | ||||||
| Long-tailed Tit | Aegithalos caudatus | 1 | |||||||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
