| Redwing (Turdus iliacus) | | 2020-05-02 | 2020-05-01 | Knutsbakken (Innlandet, Norway) | |
| Fieldfare (Turdus pilaris) | | 2020-04-30 | 2020-04-24 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) |  |
| Great Tit (Parus major) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| Robin (Erithacus rubecula) | | 2020-04-19 | 2020-04-09 | Knutsbakken (Innlandet, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Common Blackbird (Turdus merula) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Robin (Erithacus rubecula) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Great Tit (Parus major) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-04-06 | 2020-04-05 | Knutsbakken (Innlandet, Norway) | |
| Common Blackbird (Turdus merula) | | 2020-04-02 | 2020-03-29 | Knutsbakken (Innlandet, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Common Blackbird (Turdus merula) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Robin (Erithacus rubecula) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Great Tit (Parus major) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-04-02 | 2020-03-23 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Great Tit (Parus major) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-04-02 | 2020-03-16 | Knutsbakken (Innlandet, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Nuthatch (Sitta europaea) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Robin (Erithacus rubecula) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Great Tit (Parus major) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2020-03-17 | 2020-03-09 | Knutsbakken (Innlandet, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education