Smew (Mergellus albellus)
FI: Uivelo, SV: Salskrake
Population trend: Increasing 
Distribution trend: Expanding
Breeding pairs: 2,000–3,000
Finnish red list category: LC
| Degree of breeding evidence | Grids | % of grids |
|---|---|---|
| Confirmed | 202 | 5,2 % |
| Probable | 169 | 4,4 % |
| Possible | 367 | 9,5 % |
| Total | 738 | 19,1 % |