Dusky Warbler
| Gender | undetermined |
| Age | undetermined |
| Plumage | adult plumage |
| Recorded | 2007-02-22 |
| Location | Groningen, NL |
| Copyright | Adrian Aebischer |
| Family | Warblers |
| Status CH | vagrant |
| References | en.wikipedia.org |
| vogelwarte.ch |
37 | 50