https://www.joh.cam.ac.uk/humans-did-not-cause-woolly-mammoths-go-extinct-climate-change-did#:~:text=Now%20the%20hotly%20debated%20question,vegetation%20%E2%80%93%20was%20practically%20wiped%20out.
這篇文章講,冰川結束以後猛獁象需要的植被減少,造成分布局域化和基因單一
演變速度無法適應環境的變化。