Why Do Penguins Wear Tuxedos?
10,000 Birds
SEPTEMBER 15, 2011
They range in size from the tiny Fairy Penguin ( Eudyptula minor ) at about 1 kg to the very large Emperor Penguin Aptenodytes forsteri at about 35 kg (that would be a reasonably large dog). Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers Science, 330 (6006), 954-957 DOI: 10.1126/science.1193604
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