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