Woolly rhinos came down from the cold

Ice Age icons were pre-adapted to harsh climate, new fossils suggest

By Susan Milius, 09:04 AM September 1, 2011

A new trove of mammal fossils found high in the foothills of the Himalayas suggests that Tibet may have been a harsh, cold testing ground where woolly rhinos and other big mammals developed their cold-climate cool well before the Ice Age began.

Among the treasures from the Zanda Basin is the oldest fossil yet found of a woolly rhino, dating from about 3.7 million years ago, says vertebrate paleontologist Xiaoming Wang from the Natural History Museum of Los Angeles County. The complete skul...

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