Last One In Is A Dead Penguin - Sea Ice Survival Groupthink | Video

A group of Emperor penguins synchronously diving from an ice edge. Emperor penguins in Antarctica rely on sea ice to rest between feeding dives and avoid predators.



via LiveScience.com http://www.livescience.com/24969-last-one-in-is-a-dead-penguin-sea-ice-survival-groupthink-video.html