Early humans are thought to have first ventured into Europe around 1.4 million years ago, but failed to spread far across the continent.Exactly why these first members of the Homo family to arrive in Europe were unable to press home their advantage while later members of the family like the Neanderthals and modern man did, has puzzled anthropologists for decades.Now paleontologists claim to have identified a possible cause for this early failure – a giant prehistoric hyena called Pachycrocouta breviro..

read more: Giant prehistoric HYENAS may have prevented spread of early humans into Europe | Daily Mail Online