The secrets of how penguins keep warm has been revealed by scientists in a time-lapse video.
Emperor penguins survive Antarctic winters in tightly packed groups and the video shows the birds move in waves through the group.
BBC VIDEO
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Showing posts with label penguins keep warm in Mexican waves. Show all posts
Showing posts with label penguins keep warm in Mexican waves. Show all posts
Thursday, June 02, 2011
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