呼よぶ子こ鳥どり

noun

calling bird (esp. a cuckoo)

Archaic poetic term for a bird that calls out, especially the cuckoo (most often the lesser cuckoo, Cuculus poliocephalus). Found in classical Japanese literature and waka poetry.

• 古こ今きん集しゅうに「呼よぶ子こ鳥どりの鳴なく」という歌うたがある。

  There is a poem in the Kokinshū that mentions the calling bird's cry.