| Blue Tit (Cyanistes caeruleus) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) |  |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Black-billed Magpie (Pica pica) | | 2012-01-28 | 2012-01-28 | Heggvollan (Trøndelag, Norway) | |
| Common Swift (Apus apus) | | 2011-06-01 | 2011-06-01 | Heggvollan (Trøndelag, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2011-05-08 | 2011-05-07 | Heggvollan (Trøndelag, Norway) | |
| Small Tortoiseshell (Aglais urticae) | | 2011-04-22 | 2011-04-22 | Heggvollan (Trøndelag, Norway) | |
| Bumble-bee (Bombus sp.) | | 2011-04-22 | 2011-04-22 | Heggvollan (Trøndelag, Norway) | |
| Downy Birch (Betula pubescens) | | 2011-04-20 | 2011-04-19 | Heggvollan (Trøndelag, Norway) | |
| White Wagtail (Motacilla alba) | | 2011-04-20 | 2011-04-20 | Heggvollan (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2011-04-17 | 2011-04-14 | Heggvollan (Trøndelag, Norway) | |
| Brambling (Fringilla montifringilla) | | 2011-04-17 | 2011-04-17 | Heggvollan (Trøndelag, Norway) | |
| Song Thrush (Turdus philomelos) | | 2011-04-17 | 2011-04-17 | Heggvollan (Trøndelag, Norway) | |
| European Starling (Sturnus vulgaris) | | 2011-04-17 | 2011-04-02 | Heggvollan (Trøndelag, Norway) | |
| Colt's-foot (Tussilago farfara) | | 2011-04-17 | 2011-04-13 | Heggvollan (Trøndelag, Norway) | |
| Green Woodpecker (Picus viridis) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Common Raven (Corvus corax) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Eurasian Jay (Garrulus glandarius) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Black-billed Magpie (Pica pica) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Hooded Crow (Corvus cornix) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| House Sparrow (Passer domesticus) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2011-01-29 | 2011-01-29 | Heggvollan (Trøndelag, Norway) | |
| House Sparrow (Passer domesticus) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Black-billed Magpie (Pica pica) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2010-01-30 | 2010-01-30 | Heggvollan (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education