Hippos Are Related To Whales? Ancient Ancestor Reveals Evolutionary Secrets

February 25, 2015 10:08 PM

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The analysis of a new fossil ancestor of the modern hippo revealed secrets of the species' evolution.

In the past, researchers thought hippos were related to pigs, but this new work shows that hippos are not a part of the Suidae family, but instead descended from a group that has long been extinct. DNA analyses have also shown the hippo is actually more closely related to whales and dolphins (cetace...

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