The major differences between Livyatan and megalodon lie in their morphology and sensory abilities. Livyatan was essentially a very large sperm whale with large teeth on the upper and lower half ...

Megalodon’s favorite prey – small whales – vanished and it had to compete with other hunters such as the predatory sperm whale Livyatan and modern great white sharks. By 3.6 million years ...

Then there were killer sperm whales, a now-extinct type of sperm whale. They grew as large as megalodon and had even bigger ...

We actually found that these animals are here quite a bit more often than we had realized,” says Will Oestreich, a researcher ...

Estimates suggest megalodon actually grew to between 15 and 18 metres in length, three times longer than the largest recorded great white shark. It may have been comparable in length to today's ...

it's closer in length to a modern sperm whale. Its stomach may have held 10,000 litres, that's enough for it to have eaten 20 whole cows...if cows swam in the sea. How big are the megalodon's ...

The exodus of sperm whales from Mexico’s Gulf of California in response to jumbo squid population declines may be indicative ...

Read more about sperm whales: http://j.mp/sOSais Watch underwater footage of the mammal and hear its strange clicking sounds that are crucial to their survival (02:15 ...

The battle for diminishing stocks of whales and other prey may have pushed the megalodon to extinction three million years ago. Environmental pressures, such as sea level changes, also played a role.

Estimates suggest megalodon actually grew to between 15 and 18 metres in length, three times longer than the largest recorded great white shark. It may have been comparable in length to today's ...

According to scientists at the Monterey Bay Aquarium Research Institute (MBARI), sperm whales frequent the deep waters around Monterey Bay much more than previously thought. The researchers ...