Woolly rhinos went extinct at the end of the last ice age in Siberia about 14,000 years ago, and now ancient DNA is helping to shed light on what really happened to them and other large mammals.
원문출처 : https://www.cnn.com/2020/08/13/world/woolly-rhinos-extinction-climate-change-scn/index.html
원문출처 : https://www.cnn.com/2020/08/13/world/woolly-rhinos-extinction-climate-change-scn/index.html