Site: Østensjøvannet
| Species | Scientific name | 2025 |
|---|---|---|
| Chaffinch | Fringilla coelebs | 1 |
| Chiffchaff | Phylloscopus collybita | 1 |
| Fieldfare | Turdus pilaris | 1 |
| Black-headed Gull | Chroicocephalus ridibundus | 1 |
| Canada Goose | Branta canadensis | 1 |
| Redwing | Turdus iliacus | 1 |
| Reed Bunting | Emberiza schoeniclus | 1 |
| Mallard | Anas platyrhynchos | 1 |
| European Starling | Sturnus vulgaris | 1 |
| Tufted Duck | Aythya fuligula | 1 |
| Great Crested Grebe | Podiceps cristatus | 1 |
