| Blue Tit (Cyanistes caeruleus) | | 2021-02-05 | 2021-01-31 | Kyrtjønn (Telemark, Norway) |  |
| Eurasian Jay (Garrulus glandarius) | | 2021-02-05 | 2021-01-31 | Kyrtjønn (Telemark, Norway) | |
| Great Tit (Parus major) | | 2021-02-05 | 2021-01-31 | Kyrtjønn (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2021-02-05 | 2021-01-31 | Kyrtjønn (Telemark, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2021-02-05 | 2021-01-31 | Kyrtjønn (Telemark, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Great Tit (Parus major) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2018-01-30 | 2018-01-27 | Kyrtjønn (Telemark, Norway) | |
| Great Tit (Parus major) | | 2017-02-20 | 2017-02-11 | Kyrtjønn (Telemark, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 2017-02-20 | 2017-02-11 | Kyrtjønn (Telemark, Norway) | |
| Willow Tit (Poecile montanus) | | 2017-02-20 | 2017-02-11 | Kyrtjønn (Telemark, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2017-02-20 | 2017-02-11 | Kyrtjønn (Telemark, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-02-20 | 2017-02-11 | Kyrtjønn (Telemark, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2013-01-27 | 2013-01-27 | Kyrtjønn (Telemark, Norway) | |
| Great Tit (Parus major) | | 2013-01-27 | 2013-01-27 | Kyrtjønn (Telemark, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education