Caspian Tern (Hydroprogne caspia)
FI: Räyskä, SV: Skräntärna
Population trend: Stable 
Distribution trend: Stable ?
Breeding pairs: 800–900
Finnish red list category: NT
| Degree of breeding evidence | Grids | % of grids |
|---|---|---|
| Confirmed | 114 | 2,9 % |
| Probable | 47 | 1,2 % |
| Possible | 92 | 2,4 % |
| Total | 253 | 6,5 % |