| Common Blackbird (Turdus merula) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) |  |
| Nuthatch (Sitta europaea) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2024-01-28 | 2024-01-25 | | Bjørkeng (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Long-tailed Tit (Aegithalos caudatus) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Mountain hare (Lepus timidus) | | 2023-01-29 | 2023-01-28 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2022-01-30 | 2022-01-29 | | Bjørkeng (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2021-01-31 | 2021-01-30 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Long-tailed Tit (Aegithalos caudatus) | | 2020-01-26 | 2020-01-25 |  | Bjørkeng (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2020-01-26 | 2020-01-25 | | Bjørkeng (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2016-01-30 | 2016-01-30 | | Bjørkeng (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2016-01-30 | 2016-01-30 | | Bjørkeng (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2016-01-30 | 2016-01-30 | | Bjørkeng (Akershus, Norway) | |
| Great Tit (Parus major) | | 2016-01-30 | 2016-01-30 | | Bjørkeng (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education