Long before whales were majestic, gentle giants, some of their prehistoric ancestors were tiny, weird and feral. A chance discovery of a 25 million-year-old fossil on an Australian beach has allowed paleontologists to identify a rare,

A newly identified species of ancient whale reveals how the first baleen relatives hunted, sensed their world, and grew.

Prehistoric whale had bulging eyes and razor-sharp teeth but was around just two metres long. Scientists say it gives us clues about the whales and sea mammals we know today.