| Great Tit (Parus major) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) |  |
| Yellowhammer (Emberiza citrinella) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2024-01-29 | 2024-01-28 | | Horgen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Mallard (Anas platyrhynchos) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Hooded Crow (Corvus cornix) | | 2023-02-04 | 2023-01-28 | | Horgen (Buskerud, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Hooded Crow (Corvus cornix) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Common Blackbird (Turdus merula) | | 2021-01-31 | 2021-01-31 | | Horgen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-27 | 2019-01-26 | | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2019-01-27 | 2019-01-26 |  | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2017-01-30 | 2017-01-28 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-01-30 | 2017-01-28 | | Horgen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2017-01-30 | 2017-01-28 | | Horgen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-01-30 | 2017-01-28 | | Horgen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-30 | 2017-01-28 | | Horgen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Common Blackbird (Turdus merula) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2016-01-31 | 2016-01-25 | | Horgen (Buskerud, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education