Site: Østensjø
| Species | Scientific name | 2009 | 2012 | 2013 | 2014 | 2015 |
|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 1 | ||||
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | |
| Chaffinch | Fringilla coelebs | 1 | ||||
| Eurasian Wigeon | Anas penelope | 1 | ||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | |||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | ||
| Dipper | Cinclus cinclus | 1 | ||||
| Winter Wren | Troglodytes troglodytes | 1 | ||||
| European Greenfinch | Carduelis chloris | 1 | 1 | 1 | ||
| Eurasian Siskin | Carduelis spinus | 1 | ||||
| Grey Heron | Ardea cinerea | 1 | ||||
| Herring Gull | Larus argentatus | 1 | ||||
| Mealy Redpoll | Carduelis flammea | 1 | 1 | |||
| House Sparrow | Passer domesticus | 1 | ||||
| Fieldfare | Turdus pilaris | 1 | 1 | 1 | ||
| Yellowhammer | Emberiza citrinella | 1 | 1 | |||
| Hawfinch | Coccothraustes coccothraustes | 1 | ||||
| Great Tit | Parus major | 1 | 1 | 1 | 1 | |
| Hooded Crow | Corvus cornix | 1 | 1 | 1 | ||
| White Wagtail | Motacilla alba | 1 | ||||
| Willow Warbler | Phylloscopus trochilus | 1 | ||||
| Nutcracker | Nucifraga caryocatactes | 1 | ||||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | ||
| Wood Pigeon | Columba palumbus | 1 | ||||
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | |
| Bohemian Waxwing | Bombycilla garrulus | 1 | ||||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 | 1 | |
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | ||||
| European Goldfinch | Carduelis carduelis | 1 | 1 | 1 | ||
| Long-tailed Tit | Aegithalos caudatus | 1 | ||||
| European Starling | Sturnus vulgaris | 1 | ||||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 | |
| Great Crested Grebe | Podiceps cristatus | 1 | ||||
| Common Swift | Apus apus | 1 |
