expression, noun
flightless bird
Refers to birds that cannot fly, such as ostriches, penguins, and kiwis. Often used in educational or descriptive contexts.
ペンギンは飛べない鳥の代表例です。
Penguins are a typical example of flightless birds.
飛べない鳥にはダチョウやキーウィなどがいます。
Flightless birds include ostriches, kiwis, and others.