| Brambling (Fringilla montifringilla) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) |  |
| European Shag (Phalacrocorax aristotelis) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Great Tit (Parus major) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2024-01-28 | 2024-01-27 | Kastellet (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| European Shag (Phalacrocorax aristotelis) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Whooper Swan (Cygnus cygnus) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Great Tit (Parus major) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2023-02-03 | 2023-01-29 | Kastellet (Akershus, Norway) | |
| Great Tit (Parus major) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2022-01-31 | 2022-01-30 | Kastellet (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Great Tit (Parus major) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Jackdaw (Corvus monedula) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-02-01 | 2021-01-30 | Kastellet (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-27 | 2020-01-25 | Kastellet (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education