| Blue Tit (Cyanistes caeruleus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) |  |
| Common Blackbird (Turdus merula) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-29 | 2017-01-29 | bisjord (tjølling) (Vestfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2016-01-31 | 2016-01-31 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Brambling (Fringilla montifringilla) | | 2015-01-26 | 2015-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2014-01-25 | 2014-01-25 | bisjord (tjølling) (Vestfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2013-01-26 | 2013-01-26 | bisjord (tjølling) (Vestfold, Norway) | |
| Robin (Erithacus rubecula) | | 2013-01-26 | 2013-01-26 | bisjord (tjølling) (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2013-01-26 | 2013-01-26 | bisjord (tjølling) (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-01-26 | 2013-01-26 | bisjord (tjølling) (Vestfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2013-01-26 | 2013-01-26 | bisjord (tjølling) (Vestfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education