Megafauna was the meat of choice for South American hunters

So, the evidence is mixed. Now, Prates and his colleagues are arguing we’re not off the hook. Humans and extinct megafauna only shared South America for less than 3,000 years, and it was over 10,000 years ago, so the odds of evidence being preserved are fairly low. At many of those sites, Pleistocene layers—which would include extinct megafauna—are mixed with bones left behind during the Holocene, which skews the numbers in favor of smaller prey and species that survived the…