| Subject | English | German |
| ornit. | American tree sparrow | Baumammer (Spizella arborea) |
| gen. | American Tree Sparrow | Baumammer |
| gen. | Eurasian Tree Sparrow | Feldsperling (Passer montanus) |
| ornit. | Eurasian tree sparrow | Feldsperling (Passer montanus) |
| gen. | tree sparrow | Feldsperling |
| ornit. | tree sparrow | Baumammer (Spizella arborea) |
| ornit. | tree sparrow | Feldsperling (Passer montanus) |
| nat.res. | tree sparrow | Feldsperling (Passer montanus) |
| agric. | tree sparrow | Rotkopfsperling |
| ornit. | tree-sparrow | Feldsperling (Passer montanus) |