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Paleontologists have documented how dramatic shifts in climate have led to dramatic shifts in evolution. One such event, the Grande Coupure, was a wipeout of many European mammal species 33.9 million ...
Fossilized Giant Penguin Reveals Unusual Colors, Sheds Light on Bird Evolution（图）
Fossilized Giant Penguin Unusual Colors Bird Evolution
2010/10/13
AUSTIN, Texas—Paleontologists have unearthed the first extinct penguin with preserved evidence of scales and feathers. The 36-million-year-old fossil from Peru shows the new giant penguin’s feathers w...