Site: Skien
| Species | Lenke til artsinfo | Reg. date | Obs. date | Location | Lenke til Artskart |
|---|---|---|---|---|---|
| Eurasian Tree Sparrow (Passer montanus) | 2020-01-27 | 2020-01-27 | Skien (Telemark, Norway) |  | |
| Great Tit (Parus major) | 2020-01-27 | 2020-01-27 | Skien (Telemark, Norway) | | |
| Great Tit (Parus major) | 2018-01-27 | 2018-01-27 | Skien (Telemark, Norway) | | |
| Eurasian Tree Sparrow (Passer montanus) | 2016-02-01 | 2016-02-01 | Skien (Telemark, Norway) | | |
| Great Tit (Parus major) | 2016-02-01 | 2016-02-01 | Skien (Telemark, Norway) | | |
| Eurasian Magpie (Pica pica) | 2016-02-01 | 2016-02-01 | Skien (Telemark, Norway) | | |
| Blue Tit (Cyanistes caeruleus) | 2015-01-25 | 2015-01-25 | Skien (Telemark, Norway) | | |
| Great Tit (Parus major) | 2015-01-25 | 2015-01-25 | Skien (Telemark, Norway) | | |
| Willow Tit (Poecile montanus) | 2015-01-25 | 2015-01-25 | Skien (Telemark, Norway) | |
