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Some early birds had 4 wings, study finds
The findings come from a Chinese study of 11 fossil specimens from 100 million to 150 million years ago. The study found evidence of large feathers on the birds legs — feathers that researchers note “may have played an important role in the evolution of flight.”
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Some early birds had 4 wings, study finds
The findings come from a Chinese study of 11 fossil specimens from 100 million to 150 million years ago. The study found evidence of large feathers on the birds legs — feathers that researchers note “may have played an important role in the evolution of flight.”
Date: 3/15/13
Views: 8284
Video by:  MSN News/Newsy
 
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