Translation

The Japanese word for "Wildebeest" is nū ヌー, a katakanization of "Gnu."
Another word for "Wildebeest" is ushi-kamoshika 牛羚羊.

Romaji nuu
Katakanaヌー
Hiraganaぬー
Romaji u shi ka mo shi ka
Hiraganaうしかもしか
Katakanaウシカモシカ
Kanji 牛 羚羊
Meaning Cow Serow
School Level 小2 ✕, 小3

Synonyms

Gnu.

Further Reading

Wikipedia: Wildebeest (ヌー)