| Blue Tit (Cyanistes caeruleus) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) |  |
| Common Blackbird (Turdus merula) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Coal Tit (Periparus ater) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Robin (Erithacus rubecula) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Marsh Tit (Poecile palustris) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Green Woodpecker (Picus viridis) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-02-04 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Marsh Tit (Poecile palustris) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Coal Tit (Periparus ater) | | 2021-02-03 | 2021-01-24 | Frengen (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Marsh Tit (Poecile palustris) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-26 | 2020-01-25 | Frengen (Trøndelag, Norway) | |
| Marsh Tit (Poecile palustris) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Green Woodpecker (Picus viridis) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2019-01-29 | 2019-01-27 | Frengen (Trøndelag, Norway) | |
| House Martin (Delichon urbicum) | | 2017-09-18 | 2017-07-18 | Frengen (Trøndelag, Norway) | |
| House Martin (Delichon urbicum) | | 2017-09-18 | 2017-07-18 | Frengen (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education