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Old 11-15-2012, 03:21 PM   #1
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Default First Ever Family Tree for All Living Birds Reveals Evolution and Diversification

First Ever Family Tree for All Living Birds Reveals Evolution and Diversification
Biology News Net
October 31, 2012 07:06 PM

First ever family tree for all living birds reveals evolution and diversification
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The world's first family tree linking all living bids and revealing when and where they evolved and diversified since dinosaurs walked the earth has been created by scientists from the University of Sheffield.

Experts used the family tree to map out where the almost 10,000 species of birds live to show where the most diversification has taken place in the world.

Researchers, from the University of Sheffield, Yale University, University of Tasmania and Simon Fraser University, say the creation of new species has speeded-up over the last 50 million years. Surprisingly, species formation is not faster in the species rich tropics, but was found to be faster in...
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