Polar Bears Aren't Descended From Brown Bears After All [Animals]

For a long time, it's been thought that polar bears are recent descendants of brown bears and that their white coats and webbed feet evolved into being over the last 150,000 years. A new study proves that incorrect: in fact, polar and brown bears share a common ancestor, making polar bears 600,000 years old. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/PiHNjvYIHXM/polar-bears-arent-descended-from-brown-bears-after-all

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