| Blue Tit (Cyanistes caeruleus) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) |  |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Green Woodpecker (Picus viridis) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Hooded Crow (Corvus cornix) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Robin (Erithacus rubecula) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Eurasian Magpie (Pica pica) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
| Common Blackbird (Turdus merula) | | 2021-02-01 | 2021-01-31 | Heggvikveien 42 (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education