| Blue Tit (Cyanistes caeruleus) | | 2012-02-01 | 2012-02-01 | Arnesenga (Akershus, Norway) |  |
| Great Tit (Parus major) | | 2012-02-01 | 2012-02-01 | Arnesenga (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2012-02-01 | 2012-02-01 | Arnesenga (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2012-02-01 | 2012-02-01 | Arnesenga (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
| Great Tit (Parus major) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2011-01-31 | 2011-01-30 | Arnesenga (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education