But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds ... species of flightless birds branched off from their flying relatives.

On April 12, 2025, @trist020 shared a video from Stewart Island, New Zealand, showing a kiwi bird briefly approaching before quickly running away. The person captioned the video, "Seems like this ...

All part of a group called the ratites, these birds share some common interests, like laying eggs, running fast, and not flying ... Sign up The kiwi and the now-extinct moa, for example, are ...