We are Responsible for the Extinction of the Mega Fauna

Scientists claimed their research settles a prolonged debate over mankind or  climate change was the dominate cause of the demise of massive creatures in the time of the saber-tooth, the woolly mammoth, the Woolly Rhinos and the giant armadillo.

Woolly Mammoth

Early human were the dominate cause of the extinction of a variety of species of giant beasts. 

Source: University of Exeter