| Great Tit (Parus major) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) |  |
| Eurasian Tree Sparrow (Passer montanus) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Hooded Crow (Corvus cornix) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2020-01-25 | 2020-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Grey Shrike (Lanius excubitor) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Hooded Crow (Corvus cornix) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Tit (Parus major) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2019-01-27 | 2019-01-27 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Tit (Parus major) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-01-26 | 2019-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Tit (Parus major) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2016-01-31 | 2016-01-30 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Tit (Parus major) | | 2015-01-25 | 2015-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2015-01-25 | 2015-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-25 | 2015-01-25 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Bohemian Waxwing (Bombycilla garrulus) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Great Tit (Parus major) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-26 | 2014-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2013-01-26 | 2013-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2013-01-26 | 2013-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-01-26 | 2013-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2013-01-26 | 2013-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2013-01-26 | 2013-01-26 | Waalerfeltet, Lierfoss (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education