BrainStuff Classics: Can the Same Animal Evolve Twice?

Remote islands are excellent laboratories for observing evolution at work -- and in the case of a flightless bird called the Aldabra rail, we can observe how its evolution happened twice. Learn about iterative evolution in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/iterative-evolution.htm See omnystudio.com/listener for privacy information.