| Common Blackbird (Turdus merula) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) |  |
| Black-billed Magpie (Pica pica) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-30 | 2021-01-30 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-27 | 2019-01-27 | Asak (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2018-01-23 | 2018-01-16 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-23 | 2018-01-16 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2018-01-23 | 2018-01-16 | Asak (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-01-23 | 2018-01-16 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-01-24 | 2016-01-24 | Asak (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2016-01-24 | 2016-01-24 | Asak (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2016-01-24 | 2016-01-24 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2016-01-24 | 2016-01-24 | Asak (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2016-01-24 | 2016-01-24 | Asak (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2015-01-25 | 2015-01-25 | Asak (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2015-01-25 | 2015-01-25 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-01-25 | 2015-01-25 | Asak (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2015-01-25 | 2015-01-25 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-25 | 2015-01-25 | Asak (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
| Great Tit (Parus major) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-25 | 2014-01-18 | Asak (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education