Climate Change, Not Human Hunters - Led to Extinction of Africa's Largest Mammals

Subscribe to our channel to be the first to see our viral, breaking news videos. Twitter.com/swns Instagram.com/swns<br /><br />Climate change - not human hunters - led to the extinction of Africa's largest mammals, according to new research.<br /><br />It had been thought as early man learnt to use tools they hunted large animals to extinction on the continent. But new research suggested deforestation and the spread of grasslands started their demise long before meat eating humans learnt how to use a spear or stone axe.