| Blue Tit (Cyanistes caeruleus) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) |  |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Great Tit (Parus major) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2010-01-31 | 2010-01-31 | Borgen Skog (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| Great Tit (Parus major) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2009-01-25 | 2009-01-25 | Borgen Skog (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2008-04-29 | 2008-04-15 | Borgen Skog (Akershus, Norway) | |
| Bumble-bee (Bombus sp.) | | 2008-04-29 | 2008-04-19 | Borgen Skog (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2008-04-29 | 2008-04-15 | Borgen Skog (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Fieldfare (Turdus pilaris) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Hawfinch (Coccothraustes coccothraustes) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Great Tit (Parus major) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2008-04-29 | 2008-04-28 | Borgen Skog (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Great Tit (Parus major) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2008-04-13 | 2008-04-12 | Borgen Skog (Akershus, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2008-01-27 | 2008-01-27 | Borgen Skog (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education