| Common Blackbird (Turdus merula) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) |  |
| Coal Tit (Periparus ater) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Great Tit (Parus major) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2021-01-31 | 2021-01-31 | Refsahl (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Great Tit (Parus major) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| European Starling (Sturnus vulgaris) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2010-03-28 | 2010-03-28 | Refsahl (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Great Tit (Parus major) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| European Starling (Sturnus vulgaris) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Grey-headed Woodpecker (Picus canus) | | 2010-03-26 | 2010-03-26 | Refsahl (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
| Great Tit (Parus major) | | 2010-03-08 | 2010-03-07 | Refsahl (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education