Why Do Penguins Do the Wave?

Pretty smart for such cute creatures.

June 15, 2011 — New, sped-up video of an emperor penguin huddle in Antarctica shows the group takes small steps, creating a wave. Researchers say the undulations ensure each penguin a turn in the middle of the cluster, which helps the birds keep warm.

Watch this video below!
http://www.youtube.com/watch?v=F4XygDTA7kQ

Also see Can Music Make You High?Do Female Penguins Judge Potential Fathers by their Voice?Transparent Frogs! and Come Face to Face With a Human Ancestor

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