| Blue Tit (Cyanistes caeruleus) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) |  |
| Crested Tit (Lophophanes cristatus) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Coal Tit (Periparus ater) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2023-02-05 | 2023-02-04 | Blefjell (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2022-02-02 | 2022-01-29 | Blefjell (Buskerud, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2022-02-02 | 2022-01-29 | Blefjell (Buskerud, Norway) | |
| Coal Tit (Periparus ater) | | 2022-02-02 | 2022-01-29 | Blefjell (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2022-02-02 | 2022-01-29 | Blefjell (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2022-02-02 | 2022-01-29 | Blefjell (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2021-01-31 | 2021-01-31 | Blefjell (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2020-02-01 | 2020-02-01 | Blefjell (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-02-01 | 2020-02-01 | Blefjell (Buskerud, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Coal Tit (Periparus ater) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Long-tailed Tit (Aegithalos caudatus) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Black Grouse (Tetrao tetrix) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Grey-headed Woodpecker (Picus canus) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Willow Tit (Poecile montanus) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2018-01-28 | 2018-01-28 | Blefjell (Buskerud, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education