archeologieevolutie

An extinct large dolphin was a lot more like a killer whale

Now researchers have confirmed that an historical dolphin that lived throughout the Oligocene Epoch — 33.9 million to 23 million many years in the past — was the to start with cetacean (a kind of mammal) making use of echolocation to navigate underwater and fill the position of apex predator, a great deal like the recent-working day killer whale.

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