Humans Blamed for Extinction of Mammoths, Mastodons & Giant Sloths

LiveScience.com
Humans Blamed for Extinction of Mammoths, Mastodons & Giant Sloths
This photo shows a museum worker inspecting a replica of a woolly mammoth (Mammuthus primigenius), a relative of modern elephants that went extinct 3,000 to 10,000 years ago.
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