| Blue Tit (Cyanistes caeruleus) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) |  |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Goldcrest (Regulus regulus) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Great Tit (Parus major) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Marsh Tit (Poecile palustris) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Eurasian Magpie (Pica pica) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Nuthatch (Sitta europaea) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Coal Tit (Periparus ater) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Green Woodpecker (Picus viridis) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Common Goldeneye (Bucephala clangula) | | 2011-02-17 | 2011-01-30 | Kurdøla (Telemark, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Goldcrest (Regulus regulus) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Great Tit (Parus major) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Marsh Tit (Poecile palustris) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Eurasian Magpie (Pica pica) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Nuthatch (Sitta europaea) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Coal Tit (Periparus ater) | | 2011-01-30 | 2011-01-29 | Kurdøla (Telemark, Norway) | |
| Common Raven (Corvus corax) | | 2011-01-19 | 2010-01-30 | Kurdøla (Telemark, Norway) | |
| Parrot Crossbill (Loxia pytyopsittacus) | | 2011-01-19 | 2010-01-30 | Kurdøla (Telemark, Norway) | |
| Golden Eagle (Aquila chrysaetos) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Common Raven (Corvus corax) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Great Tit (Parus major) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Marsh Tit (Poecile palustris) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Nuthatch (Sitta europaea) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Coal Tit (Periparus ater) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Eurasian Pygmy Owl (Glaucidium passerinum) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Brambling (Fringilla montifringilla) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Goldcrest (Regulus regulus) | | 2011-01-19 | 2010-01-31 | Kurdøla (Telemark, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2011-01-19 | 2010-01-30 | Kurdøla (Telemark, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-01-19 | 2010-01-30 | Kurdøla (Telemark, Norway) | |
| Marsh Tit (Poecile palustris) | | 2011-01-19 | 2010-01-30 | Kurdøla (Telemark, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education