Moment scientists catch sperm whales headbutting each other

Moby Dick was right - sperm whales really do headbutt each other.For the very first time, scientists from the University of St Andrews have captured footage of sperm whales using their heads to deliberately strike each other.Until now, this behaviour has been confined to accounts from 19th century mariners, as well as Herman Melville's classic 1851 tale.However, using drone technology, the researchers were able to catch whales in the Azores and Balearic islands in the act.The function of this behaviour remains unclear, although the researchers hope further observations will help to unravel the mystery.