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North American extinctions, including horses, were likely climate driven, say researchers


Horsetalk.co.nz
North American extinctions, including horses, were likely climate driven, say researchers
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The Max Planck Extreme Events Research Group, from left, W. Christopher Carleton, Mathew Stewart, Huw Groucutt and Angela Kiesewetter. Photo: MPI-CE
Overhunting by humans was not responsible for the extinction of horses, mammoths, ground sloths, and other North American megafauna, the findings of fresh research suggest.
Scientists say the latest evidence supports the view that climate change was behind the loss of some 37 species of megafauna a little over 10,000 years ago, near the end of the Pleistocene epoch.
Their findings, reported in the journal
Nature Communications, do not support a hypothesis, first discussed as far back as the late 18th century, that the extinctions arose by overhunting by expanding human populations following their entrance into the Americas. ....

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