| Subject | English | German |
| ornit. | Argentina ruddy duck | Argentinische Ruderente (Oxyura vittata) |
| ornit. | Argentina ruddy duck | Bindenruderente (Oxyura vittata) |
| gen. | ruddy duck Oxyura jamaicensis | Schwarzkopfruderente |
| ornit. | ruddy duck | Schwarzkopf-Ruderente (Oxyura jamaicensis) |
| environ., nat.res. | ruddy duck | Schwarzkopf-Ruderente (Oxyura jamaicensis) |
| nat.res. | ruddy duck | Schwarzkopfruderente (Oxyura jamaicensis) |
| gen. | Ruddy Duck | Schwarzkopf-Ruderente (Oxyura jamaicensis) |
| ornit. | ruddy sheld duck | Rostkasarka (Casarca ferruginea, Tadorna ferruginea) |
| ornit. | ruddy sheld duck | Rostgans (Casarca ferruginea, Tadorna ferruginea) |