Translation

kouchou means "Japanese Bush Warbler" in English.

kouchou written with kanji is 黄鳥.
These are jouyou kanji 常用漢字, taught in the second year of shougakkou 小学校.
kouchou written with katakana is コウチョウ.
kouchou written with hiragana is こうちょう.
Romaji ko u cho u
Hiraganaちょ
Katakanaチョ
Kanji
Meaning Yellow Bird
School Level 小2 小2

Orthography Notes

  • ちょ is a compound kana representing a single syllable with multiple characters.

Further Reading

Wikipedia: (Japanese_bush_warbler)