Great Grey Owl
| Gender | undetermined |
| Age | adult |
| Plumage | adult plumage |
| Recorded | 2015-05-31 |
| Location | Oulu, FI |
| Copyright | Marcel Burkhardt |
| Gender | undetermined |
| Age | undetermined |
| Plumage | adult plumage |
| Recorded | 2013-04-06 |
| Location | Oulu, FI |
| Copyright | Marcel Burkhardt |
| Gender | undetermined |
| Age | juvenile |
| Plumage | juvenile plumage |
| Recorded | 2015-05-31 |
| Location | Oulu, FI |
| Copyright | Marcel Burkhardt |
| Family | Tipical Owls |
| Status CH | |
| References | en.wikipedia.org |
| vogelwarte.ch |
13 | 18