Site: opsal
| Species | Lenke til artsinfo | Reg. date | Obs. date | Location |
|---|---|---|---|---|
| Tawny Owl (Strix aluco) | 2013-05-05 | 2013-04-04 | opsal (Agder, Norway) | |
| Blue Tit (Cyanistes caeruleus) | 2013-05-05 | 2013-05-03 | opsal (Agder, Norway) | |
| Blue Tit (Cyanistes caeruleus) | 2013-05-04 | 2013-05-03 | opsal (Agder, Norway) | |
| Blue Tit (Cyanistes caeruleus) | 2013-05-04 | 2013-05-03 | opsal (Agder, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education