Why Can’t Some Birds Fly?

About this video

Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidence

Explains physiological and evolutionary reasons why certain bird species lost flight capability. Evolutionary biology and comparative ornithology.

A 5-minute video from Seeker: “Why Can’t Some Birds Fly?”.

Video by Seeker, played through YouTube's embedded player.