| Eurasian Tree Sparrow (Passer montanus) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) |  |
| Hawfinch (Coccothraustes coccothraustes) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Lesser Redpoll (Carduelis cabaret) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Brambling (Fringilla montifringilla) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Eurasian Magpie (Pica pica) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2023-01-29 | 2023-01-29 | Grefsen (Oslo, Norway) | |
| Brambling (Fringilla montifringilla) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Eurasian Magpie (Pica pica) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2022-02-01 | 2022-02-01 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2021-02-02 | 2021-01-01 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2021-02-02 | 2021-01-01 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-02 | 2021-01-01 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-02-02 | 2021-01-01 | Grefsen (Oslo, Norway) | |
| Eurasian Magpie (Pica pica) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Coal Tit (Periparus ater) | | 2020-01-26 | 2020-01-26 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Coal Tit (Periparus ater) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Eurasian Magpie (Pica pica) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2018-01-30 | 2018-01-25 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-02-05 | 2017-02-04 | Grefsen (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-02-05 | 2017-02-04 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2017-02-05 | 2017-02-04 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2017-02-05 | 2017-02-04 | Grefsen (Oslo, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| Eurasian Magpie (Pica pica) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| Great Tit (Parus major) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-03-04 | 2015-02-27 | Grefsen (Oslo, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education