| Nuthatch (Sitta europaea) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) |  |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Great Tit (Parus major) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2020-01-27 | 2020-01-26 | Blixøya (Østfold, Norway) | |
| Great Tit (Parus major) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2017-01-30 | 2017-01-27 | Blixøya (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Goldcrest (Regulus regulus) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Common Crossbill (Loxia curvirostra) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Great Tit (Parus major) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Common Raven (Corvus corax) | | 2016-01-31 | 2016-01-31 | Blixøya (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2015-02-01 | 2015-01-31 | Blixøya (Østfold, Norway) | |
| Goldcrest (Regulus regulus) | | 2015-02-01 | 2015-01-31 | Blixøya (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2015-01-25 | 2015-01-25 | Blixøya (Østfold, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Great Tit (Parus major) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2014-01-29 | 2014-01-24 | Blixøya (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-02-02 | 2012-01-26 | Blixøya (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2012-02-02 | 2012-01-26 | Blixøya (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education