| Blue Tit (Cyanistes caeruleus) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) |  |
| Nuthatch (Sitta europaea) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Magpie (Pica pica) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Marsh Tit (Poecile palustris) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2024-01-29 | 2024-01-20 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2023-01-31 | 2023-01-28 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Magpie (Pica pica) | | 2023-01-31 | 2023-01-28 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2023-01-31 | 2023-01-28 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-01-31 | 2023-01-28 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2022-02-07 | 2022-02-06 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2022-02-07 | 2022-02-06 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2022-02-07 | 2022-02-06 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-02-07 | 2022-02-06 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Coal Tit (Periparus ater) | | 2021-02-06 | 2021-01-24 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Magpie (Pica pica) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Common Crossbill (Loxia curvirostra) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-31 | 2020-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Magpie (Pica pica) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2019-02-02 | 2019-01-26 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Eurasian Magpie (Pica pica) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Marsh Tit (Poecile palustris) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2017-01-29 | 2017-01-21 | Surlikroken, Passebekk (Buskerud, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education