| Common Blackbird (Turdus merula) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) |  |
| Eurasian Magpie (Pica pica) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Great Tit (Parus major) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-02-01 | 2021-02-01 | asker (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Great Tit (Parus major) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-27 | 2020-01-24 | asker (Akershus, Norway) | |
| Great Tit (Parus major) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2019-01-28 | 2019-01-18 | asker (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| Great Tit (Parus major) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-23 | 2018-01-23 | asker (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Great Tit (Parus major) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-01-26 | 2017-01-23 | asker (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education