| Nominative | Accusative | Dative | Genitive |
| No Article |
Bougainvillemonarch |
Bougainvillemonarch |
Bougainvillemonarch/Bougainvillemonarche |
Bougainvillemonarches/Bougainvillemonarchs |
| |
| Definite Article |
der Bougainvillemonarch |
den Bougainvillemonarch |
dem Bougainvillemonarch/Bougainvillemonarche |
des Bougainvillemonarches/Bougainvillemonarchs |
| |
| Indefinite Article |
ein Bougainvillemonarch |
einen Bougainvillemonarch |
einem Bougainvillemonarch/Bougainvillemonarche |
eines Bougainvillemonarches/Bougainvillemonarchs |
| |
Plural
No Article |
Bougainvillemonarchen |
Bougainvillemonarchen |
Bougainvillemonarchen |
Bougainvillemonarchen |
| |
Plural
Definite Article |
die Bougainvillemonarchen |
die Bougainvillemonarchen |
den Bougainvillemonarchen |
der Bougainvillemonarchen |
