Ruddy Duck
| Gender | male |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2007-03-25 |
| Location | Spiez, CH |
| Copyright | Ruedi Aeschlimann |
| Gender | female |
| Age | undetermined |
| Plumage | undetermined |
| Recorded | 2004-11-13 |
| Location | Spiez, CH |
| Copyright | Ruedi Aeschlimann |
| Family | Swans, Geese and Ducks |
| Status CH | introduced; breeding population |
| References | en.wikipedia.org |
| vogelwarte.ch |
41 | 44