Pleistocene Mammoth Attack (IMAGE) Duke University Caption A pack of saber-tooth cats (Smilodon) fight with adult Colombian mammoths over a juvenile mammoth they've felled. A new analysis by a team of biologists concludes that 'hypercarnivores' such as these working in concert could have taken down juveniles of the largest herbivores. Credit Painting courtesy of Mauricio Anton Usage Restrictions MUST CREDIT MAURICIO ANTON License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.