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Votes:0 The Sloth Bear The sloth bear, Ursus ursinus , arose from the oldest lineage of the true bears. They diverged from the main lineage of bears about 6 million years ago. Like the giant panda, it is likely that climatic fluctuations were important in isolating ancestral sloth bears in the south of Asia long enough to diverge as a separate species. It is possible that a group of bears managed to colonize the Indian subcontinent either during a warm, interglacial period in the late Miocene era, or during one of the cold periods. Cold periods occurred at that time about every 100,000 years. In one scenario, we could imagine that after the ancestral sloth bears had occupied India, the climate cooled again and a wall of glaciers descended from the Himalayas that may have blocked any movement of be Read More Go to Site
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