By improving their hunting techniques, early humans seem to have played a major role in finishing off the woolly mammoths and nine other mammal species that weighed over a tonne.

利用改进了的狩猎技术，早期人类似乎扮演了终结者的角色，使长毛猛犸和其他九种超过一吨的哺乳动物彻底从地球上消失。