Species: Smew (Mergellus albellus)
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| Bankebroa | Agder, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Borrevannet | Vestfold, Norway | 1 | 1 | 0 | 2002-04-10 | |
| Budal | Vestfold, Norway | 1 | 1 | 0 | 2016-01-28 | |
| Jorbajavre | Finnmark, Norway | 1 | 1 | 0 | 2012-06-20 | |
| Østensjøvannet | Oslo, Norway | 1 | 1 | 0 | 2025-03-31 | |
| Østensjøvannet | Oslo, Norway | 1 | 1 | 0 | 2025-04-11 |