| Willow Tit (Poecile montanus) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) |  |
| Eurasian Siskin (Carduelis spinus) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Great Tit (Parus major) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2016-02-01 | 2016-01-31 | Berglia (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Great Tit (Parus major) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-29 | 2014-01-26 | Berglia (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-01-28 | 2013-01-27 | Berglia (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2013-01-28 | 2013-01-27 | Berglia (Østfold, Norway) | |
| Great Tit (Parus major) | | 2013-01-28 | 2013-01-27 | Berglia (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2013-01-28 | 2013-01-27 | Berglia (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-01-28 | 2013-01-27 | Berglia (Østfold, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Great Tit (Parus major) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Eurasian Magpie (Pica pica) | | 2011-02-06 | 2011-01-30 | Berglia (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Coal Tit (Periparus ater) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Great Tit (Parus major) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Fieldfare (Turdus pilaris) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2010-02-07 | 2010-01-30 | Berglia (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education