| Brambling (Fringilla montifringilla) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) |  |
| Nuthatch (Sitta europaea) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Magpie (Pica pica) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Bohemian Waxwing (Bombycilla garrulus) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2024-01-28 | 2024-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-02-07 | 2021-02-07 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-07 | 2021-02-07 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2021-02-07 | 2021-02-07 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-07 | 2021-02-07 | | Bakke, Halden (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-02-03 | 2019-01-29 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2018-01-31 | 2018-01-27 |  | Bakke, Halden (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-31 | 2018-01-27 | | Bakke, Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-01-29 | 2017-01-28 | | Bakke, Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| Brambling (Fringilla montifringilla) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-01-24 | 2015-01-24 | | Bakke, Halden (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education