| Blue Tit (Cyanistes caeruleus) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) |  |
| Eurasian Tree Sparrow (Passer montanus) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2024-01-29 | 2024-01-28 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-29 | 2024-01-27 | Nerlia (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2024-01-29 | 2024-01-27 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2024-01-29 | 2024-01-27 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2024-01-29 | 2024-01-27 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2024-01-29 | 2024-01-27 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Great Tit (Parus major) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Cat (Felis catus) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2023-01-29 | 2023-01-29 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2023-01-29 | 2023-01-28 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2023-01-29 | 2023-01-28 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-01-29 | 2023-01-28 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2022-02-06 | 2022-02-06 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2022-02-06 | 2022-02-06 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2022-02-06 | 2022-02-06 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-02-06 | 2022-02-06 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2022-01-30 | 2022-01-30 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2022-01-30 | 2022-01-30 | Nerlia (Akershus, Norway) | |
| Cat (Felis catus) | | 2022-01-30 | 2022-01-30 | Nerlia (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2022-01-30 | 2022-01-30 | Nerlia (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2022-01-30 | 2022-01-29 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2022-01-30 | 2022-01-29 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-01-30 | 2022-01-29 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Great Tit (Parus major) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Great Tit (Parus major) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-06 | 2021-02-06 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-01-31 | 2021-01-31 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-31 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-01-31 | 2021-01-30 | Nerlia (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-30 | Nerlia (Akershus, Norway) | |
| Great Tit (Parus major) | | 2020-01-29 | 2020-01-29 | Nerlia (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2020-01-29 | 2020-01-29 | Nerlia (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-01-29 | 2020-01-29 | Nerlia (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-29 | 2020-01-29 | Nerlia (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2020-01-29 | 2020-01-29 | Nerlia (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2020-01-29 | 2020-01-26 | Nerlia (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education