走そう鳥ちょう類るい

noun

ratites

Zoological term for a group of flightless birds including ostriches, emus, kiwis, etc. Used in scientific or educational contexts.

• 走そう鳥ちょう類るいにはダチョウやエミューが含ふくまれる。

  Ratites include ostriches and emus.