In the Pleistocene Epoch, South America was home to now-extinct animals, including the sabre-toothed cat Smilodon, the giant ground sloth Megatherium and the llama-like Macrauchenia MAURICIO ANTON/SCIENCE PHOTO LIBRARY
Molecular dating has shown that several extinct creatures, such as giant sloths and mammoths, survived in South America much later than previously thought, raising questions about the root causes behind some of Earth鈥檚 most recent large animal extinctions.
鈥淭here is no consensus in the scientific community about the cause or causes that led to the extinction of megafauna in South America,鈥 says at the…



