A mammoth divide

DNA studies show two distinct kinds of pachyderm roamed Siberia

4:00pm, June 9, 2008

A new study of preserved woolly mammoth hair confirms that there were once two distinct clans of the extinct creature in Siberia. Comparisons of the genome sequences of the animals show that the mammoth groups diverged more than 1 million years ago and that one group went extinct long before the other.

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