ピヨピヨ鳴なく

also: ぴよぴよなく

Meanings

1

expression, godan verb (-ku)

Describes the high-pitched sound made by small birds, especially chicks. Often used in children's contexts or to evoke cuteness.

ひよこがピヨピヨ鳴ないている。
The chicks are peeping.
朝あさ、小こ鳥とりがぴよぴよ鳴なく声こえで目めが覚さめ

た

。

I woke up to the sound of small birds cheeping in the morning.

Written forms

ピヨピヨ鳴なく
Katakana onomatopoeia with kanji verb; standard representation of a chick's peeping.
ぴよぴよ鳴なく
Hiragana variant; less common but still used, especially in children's books or casual writing.
ぴよぴよなく

Kanji

鳴chirp, cry, bark

Similar words

さえずる
さえずる refers to the melodious singing or twittering of birds, often more complex and pleasant than the simple peeping of ピヨピヨ鳴く.
チュンチュン
チュンチュン is another onomatopoeia for bird sounds, typically used for sparrows or similar small birds, while ピヨピヨ is strongly associated with chicks.

Etymology

Combination of the onomatopoeia ピヨピヨ (piyopiyo), imitating the sound of a chick, and the verb 鳴く (to chirp/sing). The origin of the sound symbolism is uncertain but widely recognized in Japanese.