Earliest primates were tree dwellers

The first primates evolved shortly after the mass extinction of the dinosaurs about 66 million years ago. But whether these small mammals lived on the ground or in trees has puzzled paleontologists, who only had fossil teeth and jaws to examine, which left much of the animals' appearance and behavior a mystery.

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Friday, April 24, 2015 - 06:00