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.
这篇文章讲,冰川结束以后猛犸象需要的植被减少,造成分布局域化和基因单一
演变速度无法适应环境的变化。