Translation

nioidori means "Japanese Bush Warbler" in English.

nioidori written with kanji is 匂鳥.
These are jouyou kanji 常用漢字, taught in junior high, chuugakkou 中学校.
nioidori written with katakana is ニオイドリ.
nioidori written with hiragana is においどり.
Romaji ni o i do ri
Hiragana
Katakana
Kanji
Meaning Smell Bird
School Level 小2

Orthography Notes

  • tori とり becomes dori どり in this word because of a change in pronunciation called rendaku.

Further Reading

Wikipedia: (Japanese_bush_warbler)