Why did the buffalo cross the land bridge?

via Watts Up With That?
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To get to the other side… Guest post by David Middleton “There has long been a controversy about the timing of bison arrival in North America,” said Shapiro. Bison arrival in North America marks the beginning of what geologists call the “Rancholabrean Land Mammal Age,” which is used to discriminate between different ecological periods in […]

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March 14, 2017 at 03:17AM