| Black-billed Magpie (Pica pica) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) |  |
| Eurasian Tree Sparrow (Passer montanus) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) | |
| Great Tit (Parus major) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) | |
| House Sparrow (Passer domesticus) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2023-02-04 | 2023-01-29 | Brekkelia (Oslo, Norway) | |
| House Sparrow (Passer domesticus) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Eurasian Collared Dove (Streptopelia decaocto) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Great Tit (Parus major) | | 2022-01-30 | 2022-01-29 | Brekkelia (Oslo, Norway) | |
| Roe Deer (Capreolus capreolus) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| House Sparrow (Passer domesticus) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Great Tit (Parus major) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Hooded Crow (Corvus cornix) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Robin (Erithacus rubecula) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2021-01-31 | 2021-01-30 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-05-04 | 2020-05-04 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-05-01 | 2020-05-01 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-04-19 | 2020-04-19 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Great Tit (Parus major) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| House Sparrow (Passer domesticus) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2020-01-26 | 2020-01-26 | Brekkelia (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Great Tit (Parus major) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-01-27 | 2019-01-27 | Brekkelia (Oslo, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education