| Great Tit (Parus major) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) |  |
| Willow Tit (Poecile montanus) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Brambling (Fringilla montifringilla) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Robin (Erithacus rubecula) | | 2022-01-29 | 2022-01-29 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-06 | 2021-02-06 | | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-02-06 | 2021-02-06 | | Heimdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2021-02-06 | 2021-02-06 | | Heimdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-02-06 | 2021-02-06 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-02-06 | 2021-02-06 | | Heimdal (Trøndelag, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-29 | 2020-01-27 | | Heimdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-01-27 | 2019-01-26 | | Heimdal (Trøndelag, Norway) | |
| Brambling (Fringilla montifringilla) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Robin (Erithacus rubecula) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-25 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-21 | 2018-01-20 |  | Heimdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Robin (Erithacus rubecula) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
| Brambling (Fringilla montifringilla) | | 2018-01-21 | 2018-01-20 | | Heimdal (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education