成せい獣じゅう

noun

adult animal

Refers to an animal that has reached full maturity, often used in biological or zoological contexts.

• この動どう物ぶつ園えんでは成せい獣じゅうと幼よう獣じゅうを別べつ々べつに飼し育いくしている。

  At this zoo, adult animals and young animals are raised separately.