| Singular | Plural | |
|---|---|---|
| Nominativ | phoenicopterus | phoenicopteri |
| Genitiv | phoenicopteri | phoenicopterorum, phoenicopterum |
| Dativ | phoenicoptero | phoenicopteris |
| Akkusativ | phoenicopterom, phoenicopterum | phoenicopteros |
| Ablativ | phoenicoptero | phoenicopteris |
| Vokativ | phoenicoptere | phoenicopteri |