Early Mammal Ancestor Discovered Fossil hunters have found the earliest known common ancestor of a group of mammals that includes humans. About 125 million years ago, the chipmunk-like Eomaia scampered around bushes, eating insects and dodging dinosaurs. NPR's Richard Harris reports for All Things Considered.

Early Mammal Ancestor Discovered

Early Mammal Ancestor Discovered

  • Download
  • <iframe src="https://www.npr.org/player/embed/1142283/142283" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Fossil hunters have found the earliest known common ancestor of a group of mammals that includes humans. About 125 million years ago, the chipmunk-like Eomaia scampered around bushes, eating insects and dodging dinosaurs. NPR's Richard Harris reports for All Things Considered.

Related NPR Stories