Early Land Animals Could Walk and Run Like Mammals, New Study Finds

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The tuatara an ancient animal that today lives only in New Zealand was one of the first animals to run on land. Photo by: Steve Reilly
The tuatara, an ancient animal that today lives only in New Zealand, was one of the first animals to run on land. Photo by: Steve Reilly

Salamanders and the tuatara, a lizard-like animal that has lived on Earth for 225 million years, were the first vertebrates to walk and run on land, according to a recent study by Ohio University researchers.


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