| Nuthatch (Sitta europaea) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) |  |
| Eurasian Siskin (Carduelis spinus) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Common Blackbird (Turdus merula) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Brambling (Fringilla montifringilla) | | 2013-10-15 | 2013-10-13 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2013-10-06 | 2013-09-29 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Starling (Sturnus vulgaris) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2013-05-27 | 2013-05-23 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Grey-headed Woodpecker (Picus canus) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Starling (Sturnus vulgaris) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-02 | 2012-09-27 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2012-09-18 | 2012-09-15 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2012-04-26 | 2012-04-21 | Nausthaugen II ,Heggdal (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education