| Brambling (Fringilla montifringilla) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) |  |
| Common Blackbird (Turdus merula) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-02-04 | 2018-02-04 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Treecreeper (Certhia familiaris) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Brambling (Fringilla montifringilla) | | 2018-02-03 | 2018-02-03 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-28 | 2018-01-27 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Brambling (Fringilla montifringilla) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Hawfinch (Coccothraustes coccothraustes) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-28 | 2018-01-28 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-02-16 | 2015-02-09 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Common Blackbird (Turdus merula) | | 2015-02-16 | 2015-02-09 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Robin (Erithacus rubecula) | | 2015-02-16 | 2015-02-09 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-02-16 | 2015-02-09 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2015-02-16 | 2015-02-09 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2015-02-16 | 2015-02-01 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2015-02-16 | 2015-02-01 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Great Tit (Parus major) | | 2015-02-16 | 2015-02-01 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2015-02-16 | 2015-02-01 | Refneveien 31, 1771 Halden (Østfold, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education