Wooly mammoth extinction 230212

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Remarkable wooly mammoth carcass found by 11-year-old boy in Russia

30,000 year old wooly mammoth carcass was found by Russian boy, and is now being studied by scientists

Inbreeding didn't kill the wooly mammoths, a new study suggests

A person walks past giant bronze sculptures of mammoths on March 7, 2011 during the World Biathlon Championships in the Siberian city of Khanty-Mansiysk.

Natalia Kolesnikova

AFP/Getty Images