托たく卵らん

noun, noun or participle which takes 'suru'

brood parasitism

A biological term for laying eggs in another bird's nest, as seen in cuckoos. Also used figuratively for similar behavior in other contexts.

• カッコウは托たく卵らんの習しゅう性せいで知しられている。

  Cuckoos are known for their brood parasitism behavior.

• 托たく卵らんする鳥とりは、他ほかの鳥とりの巣すに卵たまごを産うむ。

  Birds that practice brood parasitism lay their eggs in other birds' nests.