| European Goldfinch (Carduelis carduelis) | | 2019-01-28 | 2019-01-27 | | Ytterkollen (Buskerud, Norway) |  |
| European Greenfinch (Carduelis chloris) | | 2019-01-28 | 2019-01-27 |  | Ytterkollen (Buskerud, Norway) | |
| Mallard (Anas platyrhynchos) | | 2019-01-28 | 2019-01-27 | | Ytterkollen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-28 | 2019-01-27 | | Ytterkollen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-28 | 2019-01-27 | | Ytterkollen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2019-01-28 | 2019-01-27 | | Ytterkollen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Mallard (Anas platyrhynchos) | | 2018-01-28 | 2018-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-30 | 2017-01-30 | | Ytterkollen (Buskerud, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-01-29 | 2017-01-28 | | Ytterkollen (Buskerud, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2017-01-29 | 2017-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-01-29 | 2017-01-28 | | Ytterkollen (Buskerud, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-28 | | Ytterkollen (Buskerud, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-01-29 | 2017-01-28 | | Ytterkollen (Buskerud, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education