Boreal Owl
| Gender | undetermined |
| Age | adult |
| Plumage | adult plumage |
| Recorded | 2023-05-29 |
| Location | Hargita, RO |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | juvenile |
| Plumage | juvenile plumage |
| Recorded | 2015-05-25 |
| Location | Oulu, FI |
| Copyright | Marcel Burkhardt |
| Family | Tipical Owls |
| Status CH | regular breeding bird, uncommon migrant, regular winter visitor, resident |
| References | en.wikipedia.org |
| vogelwarte.ch |
16 | 17