| Black-billed Magpie (Pica pica) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) |  |
| Robin (Erithacus rubecula) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Great Tit (Parus major) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-30 | 2017-01-29 | Ulvøya (Oslo, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Common Blackbird (Turdus merula) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Coal Tit (Periparus ater) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Great Tit (Parus major) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Common Crossbill (Loxia curvirostra) | | 2015-01-29 | 2015-01-29 | Ulvøya (Oslo, Norway) | |
| Wood mouse (Apodemus sylvaticus) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Willow Tit (Poecile montanus) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Great Tit (Parus major) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Black-billed Magpie (Pica pica) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| European Starling (Sturnus vulgaris) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Robin (Erithacus rubecula) | | 2014-01-25 | 2014-01-23 | Ulvøya (Oslo, Norway) | |
| Robin (Erithacus rubecula) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| European Starling (Sturnus vulgaris) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Wood mouse (Apodemus sylvaticus) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-01-26 | 2013-01-26 | Ulvøya (Oslo, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education