| Hooded Crow (Corvus cornix) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) |  |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Herring Gull (Larus argentatus) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-01-27 | 2015-01-25 | Alvim (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Great Tit (Parus major) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2014-01-26 | 2014-01-26 | Alvim (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Herring Gull (Larus argentatus) | | 2013-01-27 | 2013-01-27 | Alvim (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2012-10-10 | 2012-10-09 | Alvim (Østfold, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2012-10-07 | 2012-10-07 | Alvim (Østfold, Norway) | |
| Great Tit (Parus major) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Herring Gull (Larus argentatus) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2012-01-29 | 2012-01-29 | Alvim (Østfold, Norway) | |
| Black-billed Magpie (Pica pica) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Feral Pigeon (Columba livia domestica) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Herring Gull (Larus argentatus) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Jackdaw (Corvus monedula) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-01-30 | 2011-01-30 | Alvim (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2010-01-30 | 2010-01-30 | Alvim (Østfold, Norway) | |
| Hooded Crow (Corvus cornix) | | 2010-01-30 | 2010-01-30 | Alvim (Østfold, Norway) | |
| House Sparrow (Passer domesticus) | | 2010-01-30 | 2010-01-30 | Alvim (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2010-01-30 | 2010-01-30 | Alvim (Østfold, Norway) | |
| Bohemian Waxwing (Bombycilla garrulus) | | 2010-01-30 | 2010-01-30 | Alvim (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education